Find Research Outputs

1986
18 Citations (Scopus)

Perinatal transmission of hepatitis B virus in Kenya: Its relation to the presence of serum HBV‐DNA and Anti‐HBe in the mother

Greenfield, C., Osidiana, V., Karayiannis, P., Galpin, S., Musoke, R., Jowett, T. P., Mati, P., Tukei, P. M. & Thomas, H. C., 1986, In : Journal of Medical Virology. 19, 2, p. 135-142 8 p.

Research output: Contribution to journalArticle

Kenya
Hepatitis B virus
Mothers
Virus Diseases
Serum
17 Citations (Scopus)

Premature Rupture of the Membranes at Term: Obstetric Outcome with Oxytocin Stimulation in Relation to Parity and Cervical Dilatation at Admission

Rydström, H., Arulkumaran, S., Ingemarsson, I., Kumar, K. J. & Ratnam, S. S., 1986, In : Acta Obstetricia et Gynecologica Scandinavica. 65, 6, p. 587-591 5 p.

Research output: Contribution to journalArticle

First Labor Stage
Oxytocin
Parity
Cervix Uteri
Cesarean Section
1 Citation (Scopus)

Serological evidence of hepatitis B virus and hepatitis delta virus infection in 164 patients with histological evidence of liver damage.

Greenfield, C., Shah, M. V., Okoth, F., Gatei, D., Jowett, T., Karayannis, P. & Wankya, B. M., 1 Sep 1986, In : East African medical journal. 63, 9, p. 585-591 7 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

The anticoagulant effect of heparinoid Org 10 172 during haemodialysis: An objective assessment

Ireland, H., Lane, D. A., Flynn, A., Anastassiades, E. & Curtis, J. R., 1986, In : Thrombosis and Haemostasis. 55, 2, p. 271-275 5 p.

Research output: Contribution to journalArticle

84 Citations (Scopus)

The art and science of forecasting An assessment and future directions

Makridakis, S., 1 Jan 1986, In : International Journal of Forecasting. 2, 1, p. 15-39 25 p.

Research output: Contribution to journalArticle

Maturity
Future directions
Art
Empirical study
Join
19 Citations (Scopus)

The electrical impedance of the human thorax as a guide in evaluation of intrathoracic fluid volume

Sahalos, J. N., Nicolaidis, A. & Gotsis, N., 1986, In : Physics in Medicine and Biology. 31, 4, p. 425-439 15 p., 008.

Research output: Contribution to journalArticle

thorax
Helmholtz equation
Acoustic impedance
electrical impedance
Charge density

The exposure rate to hepatitis B virus in Turkana inhabitants.

Greenfield, C., Tukei, P., Karayiannis, P. & Jowett, T., Apr 1986, In : East African medical journal. 63, 4, p. 298-299 2 p.

Research output: Contribution to journalLetter

115 Citations (Scopus)

TRANSFER OF A FUNCTIONING HUMORAL IMMUNE SYSTEM IN TRANSPLANTATION OF T-LYMPHOCYTE-DEPLETED BONE MARROW

Wimperis, J. Z., Prentice, H. G., Karayiannis, P., Brenner, M. K., Reittie, J. E., Griffiths, P. D. & Hoffbrand, A. V., 15 Feb 1986, In : The Lancet. 327, 8477, p. 339-343 5 p.

Research output: Contribution to journalArticle

Immune System
Immunization
Transplantation
Bone Marrow
T-Lymphocytes
3 Citations (Scopus)

Uterine activity in myotonia dystrophica. Case report

ARULKUMARAN, S., RAUFF, M., INGEMARSSON, I., GIBB, D. M. F. & RATNAM, S. S., 1986, In : BJOG: An International Journal of Obstetrics & Gynaecology. 93, 6, p. 634-636 3 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Uterine Activity in Oxytocin Induced Labour

Arulkumaran, S., Gibb, D. M. F., Ratnam, S. S., Heng, S. H. & Lun, K. C., 1986, In : Asia‐Oceania Journal of Obstetrics and Gynaecology. 12, 4, p. 533-540 8 p.

Research output: Contribution to journalArticle

Induced Labor
Oxytocin
First Labor Stage
Uterine Contraction
Parity
1985
10 Citations (Scopus)

A comparative study of methods of oxytocin administration for induction of labour

GIBB, D. M. F., ARULKUMARAN, S. & RATNAM, S. S., 1985, In : BJOG: An International Journal of Obstetrics & Gynaecology. 92, 7, p. 688-692 5 p.

Research output: Contribution to journalArticle

Induced Labor
Oxytocin
Infusion Pumps
Parity
Catheters
9 Citations (Scopus)

Acute fulminant non-A, non-B hepatitis leading to chronic active hepatitis after treatment with cryoprecipitate

Lee, C. A., Kernoff, P. B. A., Karayiannis, P. & Thomas, H. C., 1985, In : Gut. 26, 6, p. 639-641 3 p.

Research output: Contribution to journalArticle

Hemophilia A
Chronic Hepatitis
Hepatitis
3 Citations (Scopus)

A Hybrid MM-GTD Technique for the Optimization of the Power Gain of Arrays of Wire Antennas Near an Elliptic Cylinder

Siakavara, K. & Sahalos, J. N., 1985, In : Proceedings of the IEEE. 73, 9, p. 1426-1428 3 p.

Research output: Contribution to journalArticle

Diffraction
Wire
Antennas
Method of moments
7 Citations (Scopus)

Analysis of semi-infinite elliptic conical scatterer

Vafiadis, E. & Sahalos, J. N., 1985, In : Journal of Physics D: Applied Physics. 18, 8, p. 1475-1493 19 p., 013.

Research output: Contribution to journalArticle

Lame functions
periodic functions
dyadics
current distribution
Green's function
56 Citations (Scopus)

A randomized study of the effects of adenine arabinoside 5′‐monophosphate (short or long courses) and lymphoblastoid interferon on hepatitis B virus replication

Lok, A. S. F., Novick, D. M., Karayiannis, P., Dunk, A. A., Sherlock, S. & Thomas, H. C., 1985, In : Hepatology. 5, 6, p. 1132-1138 7 p.

Research output: Contribution to journalArticle

Vidarabine
Adenine
Virus Replication
Hepatitis B virus
Interferon-alpha
2 Citations (Scopus)

Characteristics of Induced Labour

Gibb, D. M. F., Arulkumaran, S., Heng, S. H. & Ratnam, S. S., 1985, In : Asia‐Oceania Journal of Obstetrics and Gynaecology. 11, 1, p. 27-31 5 p.

Research output: Contribution to journalArticle

Induced Labor
Cesarean Section
First Labor Stage
Oxytocin
Singapore
2 Citations (Scopus)

Clinical evaluation of a monoclonal assay for hepatitis B surface antigen: Identification of “HBsAg‐like” polypeptides non‐reactive in conventional radioimmunoassays

Karayiannis, P., Goodall, A. H., Waters, J. A., Galpin, S., Lok, A., Thorp, R. & Thomas, H. C., 1985, In : Journal of Medical Virology. 15, 3, p. 291-303 13 p.

Research output: Contribution to journalArticle

Hepatitis B Surface Antigens
Radioimmunoassay
Peptides
Serum
Monoclonal Antibodies
7 Citations (Scopus)

Clinical uses of HBV-DNA assays

Thomas, H. C., Karayiannis, P., Fowler, M. J. F. & Monjardino, J., 1985, In : Journal of Virological Methods. 10, 4, p. 291-294 4 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Complications of Beta‐Mimetic Therapy in Preterm Labour

Ingemarsson, I., Arulkumaran, S. & Kottegoda, S. R., 1985, In : Australian and New Zealand Journal of Obstetrics and Gynaecology. 25, 3, p. 182-189 8 p.

Research output: Contribution to journalArticle

Adrenergic beta-Agonists
Premature Obstetric Labor
Pharmaceutical Preparations
Therapeutics
Rupture
40 Citations (Scopus)

Detection of serum HBV-DNA by molecular hybridisation. Correlation with HBeAg/anti-HBe status, racial origin, liver histology and hepatocellular carcinoma

Karayiannis, P., Fowler, M. J. F., Lok, A. S. F., Greenfield, C., Monjardino, J. & Thomas, H. C., 1985, In : Journal of Hepatology. 1, 2, p. 99-106 8 p.

Research output: Contribution to journalArticle

Hepatitis B e Antigens
Hepatitis B virus
Hepatocellular Carcinoma
Histology
Liver
56 Citations (Scopus)

Detection of serum HBV-DNA by molecular hybridisation. Correlation with HBeAg/Anti-HBe status, racial origin, liver histology and hepatocellular carcinoma

Karayiannis, P., Fowler, M. J. F., Lok, A. S. F., Greenfield, C., Monjardino, J. & Thomas, H. C., 1985, In : Journal of Hepatology. 1, 2, p. 99-106 8 p.

Research output: Contribution to journalArticle

Hepatitis B e Antigens
Hepatitis B virus
Hepatocellular Carcinoma
Histology
Liver
2 Citations (Scopus)

Dielectric constant measurement of homogeneous and anisotropic materials in the microwave region

Sahalos, J. N., 1985, In : Journal of Physics D: Applied Physics. 18, 7, p. 1415-1422 8 p., 027.

Research output: Contribution to journalArticle

Permittivity
Microwaves
permittivity
reflectance
microwaves
42 Citations (Scopus)

Failed Induction of Labour

Arulkumaran, S., Gibb, D. M. F., TambyRaja, R. L., Heng, S. H. & Ratnam, S. S., 1985, In : Australian and New Zealand Journal of Obstetrics and Gynaecology. 25, 3, p. 190-193 4 p.

Research output: Contribution to journalArticle

Induced Labor
Cephalopelvic Disproportion
Cesarean Section
First Labor Stage
Oxytocin

From the editors

Makridakis, S., Armstrong, J. S., Carbone, R. & Fildes, R., 1 Jan 1985, In : Journal of Forecasting. 4, 1, p. i-i

Research output: Contribution to journalEditorial

From the editors

Makridakis, S., Armstrong, J. S., Carbone, R. & Fildes, R., 1 Jan 1985, In : International Journal of Forecasting. 1, 1, 1 p.

Research output: Contribution to journalEditorial

59 Citations (Scopus)

Hepatitis B virus DNA in saliva, urine, and seminal fluid of carriers of hepatitis B e antigen

Karayiannis, P., Novick, D. M., Lok, A. S. F., Fowler, M. J. F., Monjardino, J. & Thomas, H. C., 22 Jun 1985, In : British Medical Journal (Clinical research ed.). 290, 6485, p. 1853 1 p.

Research output: Contribution to journalArticle

Hepatitis B e Antigens
Saliva
Hepatitis B virus
Urine
DNA
1 Citation (Scopus)

Hepatitis B virus DNA in saliva, urine, and seminal fluid of carriers of hepatitis B e antigen

Karayiannis, P., Novick, D., Lok, A. S. F., Fowler, M., Monjardino, J. & Thomas, H. C., 17 Aug 1985, In : British Medical Journal (Clinical research ed.). 291, 6493, p. 482 1 p.

Research output: Contribution to journalLetter

14 Citations (Scopus)

Hepatitis D virus antibody in HBsAg‐positive and HBsAg‐negative substance abusers with chronic liver disease

Novick, D. M., Farci, P., Karayiannis, P., Gelb, A. M., Stenger, R. J., Kreek, M. J. & Thomas, H. C., 1985, In : Journal of Medical Virology. 15, 4, p. 351-356 6 p.

Research output: Contribution to journalArticle

Hepatitis Delta Virus
Liver Diseases
Chronic Disease
Antibodies
Hepatitis B Core Antigens
122 Citations (Scopus)
Serum Globulins
Blood Coagulation Factors
Hepatitis
Immunoglobulins
Immune Sera
10 Citations (Scopus)

Interactions between hepatotropic viruses in patients with haemophilia

Lee, C. A., Kernoff, P. B. A., Karayiannis, P., Farci, P. & Thomas, H. C., 1985, In : Journal of Hepatology. 1, 4, p. 379-384 6 p.

Research output: Contribution to journalArticle

Hemophilia A
Viruses
Hepatitis Delta Virus
Superinfection
Blood Coagulation Factors
293 Citations (Scopus)

Natural history of chronic hepatitis B virus infection in taiwan: Studies of hepatitis B virus DNA in serum

Chu, CM. M., Karayiannis, P., Fowler, M. J. F., Monjardino, J., Liaw, YF. F. & Thomas, H. C., 1985, In : Hepatology. 5, 3, p. 431-434 4 p.

Research output: Contribution to journalArticle

Chronic Hepatitis B
Virus Diseases
Taiwan
Hepatitis B virus
DNA
5 Citations (Scopus)

Obstetric outcome of meconium stained liquor in labour.

Arulkumaran, S., Yeoh, S. C., Gibb, D. M., Ingemarsson, I. & Ratnam, S. S., Dec 1985, In : Singapore Medical Journal. 26, 7, p. 523-526 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

On the electromagnetic detection of the thickness of a coal or lignite seam with slate backing

Sahalos, J. N. & Kyriacou, G., 1985, In : Journal of the Franklin Institute. 320, 2, p. 83-101 19 p.

Research output: Contribution to journalArticle

Slate
Lignite
Earth (planet)
Coal
Magnetic fields
1 Citation (Scopus)

On the Gain Maximization of a Dual Frequency and Direction Array Consisting of Wire Antennas

Zimourtopoulos, P. & Sahalos, J. N., 1985, In : IEEE Transactions on Antennas and Propagation. 33, 8, p. 874-880 7 p.

Research output: Contribution to journalArticle

antennas
wire
Wire
Antennas
directional antennas
37 Citations (Scopus)

On The Narrow--Band Microwave Filter Design Using a Dielectric Rod

Sahalos, J. N. & Vafiadis, E., 1985, In : IEEE Transactions on Microwave Theory and Techniques. 33, 11, p. 1165-1171 7 p.

Research output: Contribution to journalArticle

microwave filters
Microwave filters
narrowband
rods
Notch filters
1 Citation (Scopus)

On the treatment of wire antennas near an elliptic cylinder

Siakavara, K., Papadimitraki-Chlichlia, H. & Sahalos, J. N., Sep 1985, In : Archiv für Elektrotechnik. 68, 5, p. 313-322 10 p.

Research output: Contribution to journalArticle

Method of moments
Antenna
Wire
Antennas
Hybrid Method
2 Citations (Scopus)

Perinatal Outcome of Induced Labour

Arulkumaran, S., Gibb, D. M. F., Heng, S. H. & Ratnam, S. S., 1985, In : Asia‐Oceania Journal of Obstetrics and Gynaecology. 11, 1, p. 33-37 5 p.

Research output: Contribution to journalArticle

Induced Labor
Cesarean Section
Artificial Membranes
Rupture
Prolonged Pregnancy
54 Citations (Scopus)

Randomised controlled trial of adenine arabinoside 5′-monophosphate (ARA-AMP) in chronic hepatitis B virus infection

Weller, I. V. D., Lok, A. S. F., Mindel, A., Karayiannis, P., Galpin, S., Monjardino, J., Sherlock, S. & Thomas, H. C., 1985, In : Gut. 26, 7, p. 745-751 7 p.

Research output: Contribution to journalArticle

Vidarabine Phosphate
Chronic Hepatitis B
Virus Diseases
Adenosine Monophosphate
Hepatitis B virus
29 Citations (Scopus)

Single injection of terbutaline in term labor. I. Effect on fetal pH in cases with prolonged bradycardia

Ingemarsson, I., Arulkumaran, S. & Ratnam, S. S., 15 Dec 1985, In : American Journal of Obstetrics and Gynecology. 153, 8, p. 859-865 7 p.

Research output: Contribution to journalArticle

Terbutaline
Fetal Heart Rate
Bradycardia
Injections
Cesarean Section
23 Citations (Scopus)

Single injection of terbutaline in term labor. II. Effect on uterine activity

Ingemarsson, I., Arulkumaran, S. & Ratnam, S. S., 15 Dec 1985, In : American Journal of Obstetrics and Gynecology. 153, 8, p. 865-869 5 p.

Research output: Contribution to journalArticle

Terbutaline
Fetal Distress
Injections
Transducers
Intravenous Injections
26 Citations (Scopus)

Studies of HBV replication during acute hepatitis followed by recovery and acute hepatitis progressing to chronic disease

Lok, A. S. F., Karayiannis, P., Jowett, T. P., Fowler, M. J. F., Farci, P., Monjardino, J. & Thomas, H. C., 1985, In : Journal of Hepatology. 1, 6, p. 671-679 9 p.

Research output: Contribution to journalArticle

Virus Replication
Hepatitis B virus
Hepatitis
Chronic Disease
Virus Diseases
4 Citations (Scopus)

The discontinuity problem of a cylindrical dielectric post in a waveguide and its application on the dielectric constant measurements of liquids

Gotsis, N., Vafiadis, E. E. & Sahalos, J. N., Jul 1985, In : Archiv für Elektrotechnik. 68, 4, p. 249-257 9 p.

Research output: Contribution to journalArticle

Dielectric Constant
Waveguide
Dielectric properties of liquids
Discontinuity
Waveguides
18 Citations (Scopus)

Total uterine activity in induced labour—an index of cervical and pelvic tissue resistance

ARULKUMARAN, S., GIBB, D. M. F., RATNAM, S. S., LUN, K. C. & HENG, S. H., 1985, In : BJOG: An International Journal of Obstetrics & Gynaecology. 92, 7, p. 693-697 5 p.

Research output: Contribution to journalArticle

Induced Labor
Oxytocin
Parity
Infusion Pumps
Umbilical Veins
13 Citations (Scopus)

Transient blindness associated with pregnancy‐induced hypertension. Case reports

ARULKUMARAN, S., GIBB, D. M. F., RAUFF, M., KEK, L. P. & RATNAM, S. S., 1985, In : BJOG: An International Journal of Obstetrics & Gynaecology. 92, 8, p. 847-849 3 p.

Research output: Contribution to journalArticle

1984
10 Citations (Scopus)

Abnormal T-Lymphocyte Subsets in Hemophilia: Relation to HLA Proteins in Plasma Products

Lee, C. A., Kernoff, P. B. A., Karayiannis, P., Waters, J. & Thomas, H. C., 19 Apr 1984, In : New England Journal of Medicine. 310, 16, p. 1058 1 p.

Research output: Contribution to journalLetter

Leukocyte Transfusion
CD4-CD8 Ratio
Factor IX
Hemophilia A
T-Lymphocyte Subsets
19 Citations (Scopus)

Aetiology of acute sporadic hepatitis in adults in kenya

Greenfield, C., Karayiannis, P., Wankya, B. M., Shah, M. V., Tukei, P., Galpin, S., Jowett, T. P. & Thomas, H. C., 1984, In : Journal of Medical Virology. 14, 4, p. 357-362 6 p.

Research output: Contribution to journalArticle

Kenya
Hepatitis B virus
Hepatitis
Hepatitis A virus
Virus Diseases
41 Citations (Scopus)

Characteristics of uterine activity in nulliparous labour

GIBB, D. M. F., ARULKUMARAN, S., LUN, K. C. & RATNAM, S. S., 1984, In : BJOG: An International Journal of Obstetrics & Gynaecology. 91, 3, p. 220-227 8 p.

Research output: Contribution to journalArticle

Pressure Transducers
First Labor Stage
105 Citations (Scopus)

Contribution of low level HBV replication to continuing inflammatory activity in patients with anti-HBe positive chronic hepatitis B virus infection

Lok, A. S. F., Hadziyannis, S. J., Weller, I. V. D., Karvountzis, M. G., Monjardino, J., Karayiannis, P., Montano, L. & Thomas, H. C., 1984, In : Gut. 25, 11, p. 1283-1287 5 p.

Research output: Contribution to journalArticle

Chronic Hepatitis B
Virus Diseases
Hepatitis B virus
Hepatitis B Core Antigens
Liver Diseases
1 Citation (Scopus)

DOES COITUS EMBARRASS THE FETUS?

Viegas, O. A. C. & Arulkumaran, S., 5 May 1984, In : The Lancet. 323, 8384, p. 1015 1 p.

Research output: Contribution to journalLetter

27 Citations (Scopus)

Echocardiographic diagnosis of unruptured sinus of valsalva aneurysm

Lewis, B. S. & Agathangelou, N. E., 1984, In : American Heart Journal. 107, 5 PART 1, p. 1025-1027 3 p.

Research output: Contribution to journalArticle