Find Research Outputs

1984
13 Citations (Scopus)

Fields at the Tip of an Elliptic Cone

Vafiadis, E. & Sahalos, J. N., 1984, In : Proceedings of the IEEE. 72, 8, p. 1089-1091 3 p.

Research output: Contribution to journalArticle

Cones
Electric fields
Magnetic fields

Immunologic mechanisms of cell lysis in Hepatitis B virus infection.

Pignatelli, M., Thomas, H. C., Goodall, A. H., Waters, J., Karayiannis, P. & Brown, D., 1984, Viral Hepatitis and liver disease. Vyas, GN., Dienstag, JL. & Hoofnagle, JH. (eds.). New York: Grune & Stratton, p. 167 177 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

18 Citations (Scopus)

Nile stimulation in late pregnancy causing uterine hyperstimulation and profound fetal bradycardia

VIEGAS, O. A. C., ARULKUMARAN, S., GIBB, D. M. F. & RATNAM, S. S., 1984, In : BJOG: An International Journal of Obstetrics & Gynaecology. 91, 4, p. 364-366 3 p.

Research output: Contribution to journalArticle

Oxytocin
Bradycardia
Fetus
Pregnancy

Nipple stimulation in late pregnancy causing uterine hyperstimulation and profound fetal bradycardia

Viegas, O. A. C., Arulkumaran, S., Gibb, D. M. F. & Ratnam, S. S., 1984, In : Obstetrical and Gynecological Survey. 39, 11, p. 685-686 2 p.

Research output: Contribution to journalArticle

Nipples
Oxytocin
Bradycardia
Pregnancy
Fetus

Recommendations for a maximum surgical blood ordering schedule in obstetrics and gynaecology.

Arulkumaran, S., Ong, Y. W., Ratnam, S. S., Tham, S. Y. & Lun, K. C., Apr 1984, In : Singapore Medical Journal. 25, 2, p. 80-83 4 p.

Research output: Contribution to journalArticle

36 Citations (Scopus)

Solubilization in high yield of opioid receptors retaining high-affinity delta, mu and kappa binding sites

Demoliou-Mason, C. D. & Barnard, E. A., 21 May 1984, In : FEBS Letters. 170, 2, p. 378-382 5 p.

Research output: Contribution to journalArticle

Digitonin
Opioid Receptors
Binding Sites
Membranes
Opiate Alkaloids
6 Citations (Scopus)

Spleen size in chronic renal failure

Platts, M. M., Anastassiades, E., Sheriff, S., Smith, S. & Bartolo, D. C., 1984, In : British Medical Journal. 289, 6456, p. 1415-1418 4 p.

Research output: Contribution to journalArticle

Chronic Kidney Failure
Renal Dialysis
Spleen
Ethylene Oxide
Iron Overload
39 Citations (Scopus)

The effect of parity on uterine activity in labour

ARULKUMARAN, S., GIBB, D. M. F., LUN, K. C., HENG, S. H. & RATNAM, S. S., 1984, In : BJOG: An International Journal of Obstetrics & Gynaecology. 91, 9, p. 843-848 6 p.

Research output: Contribution to journalArticle

Parity
Dilatation
Pressure Transducers
Singapore
Uterus

The irritable bowel and ectopic pregnancy: a connection?

Haslam, D. A., Sep 1984, In : Practitioner. 228, 1395, 1 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

The removal of hepatitis B virus from factor VIII concentrates by fractionation on ethylene maleic anhydride polyelectrolyte

Galpin, S. A., Karayiannis, P., Middleton, S. M. & Thomas, H. C., 1984, In : Journal of Medical Virology. 14, 3, p. 229-233 5 p.

Research output: Contribution to journalArticle

Factor VIII
Hepatitis B virus
Virus Diseases
Hepatitis B Surface Antigens
Virion
79 Citations (Scopus)

Thrice weekly lymphoblastoid interferon is effective in inhibiting hepatitis B virus replication

Lok, A. S. F., Weller, I. V. D., Karayiannis, P., Brown, D., Fowler, M. J. F., Monjardino, J., Thomas, H. C. & Sherlock, S., 1984, In : Liver. 4, 1, p. 45-49 5 p.

Research output: Contribution to journalArticle

Virus Replication
Hepatitis B virus
Interferon-alpha
Intramuscular Injections
Chronic Hepatitis B
1983
316 Citations (Scopus)

AVERAGES OF FORECASTS: SOME EMPIRICAL RESULTS.

Makridakis, S. & Winkler, R. L., 1 Jan 1983, In : Management Science. 29, 7, p. 987-996 10 p.

Research output: Contribution to journalArticle

Empirical results
Forecasting method
Forecasting accuracy
Combining forecasts
Data generating process
13 Citations (Scopus)

Diffraction by a perfectly conducting elliptic cone

Vafiadis, E. & Sahalos, J. N., Mar 1983, In : Archiv für Elektrotechnik. 66, 2, p. 117-124 8 p.

Research output: Contribution to journalArticle

Cones
Diffraction
Cone
Eigenvalues and Eigenfunctions
Green's function
18 Citations (Scopus)

Experimental infection of tamarins with human non‐a, non‐b hepatitis virus

Karayiannis, P., Bamber, M., Thomas, H. C., Scheuer, P. J., Cohn, D. & Hurn, B. A. L., 1983, In : Journal of Medical Virology. 11, 3, p. 251-256 6 p.

Research output: Contribution to journalArticle

Hepatitis Viruses
Hepatitis
Factor VIII
Infection
Alanine Transaminase
11 Citations (Scopus)

Failure to detect nucleic acid homology between some non‐A, Non‐B viruses and hepatitis B virus DNA

Fowler, M. J. F., Monjardino, J., Weller, I. V., Bamber, M., Karayiannis, P., Zuckerman, A. J. & Thomas, H. C., 1983, In : Journal of Medical Virology. 12, 3, p. 205-213 9 p.

Research output: Contribution to journalArticle

Viral DNA
Hepatitis B
Hepatitis B virus
Nucleic Acids
Primates
17 Citations (Scopus)

Fatal brain oedema due to accidental water intoxication

Anastassiades, E., Wilson, R., Stewart, J. S. W. & Perkin, G. D., 1983, In : British Medical Journal. 287, 6400, p. 1181-1182 2 p.

Research output: Contribution to journalArticle

Water Intoxication
Brain Edema
Coma
Headache
Psychiatry

Frequency Determination for Maximizing Array Gain of Parallel Wire Antennae

Sahalos, J. & Kyprianidis, J., 1983, In : Journal of the Franklin Institute. 316, 5, p. 361-372 12 p.

Research output: Contribution to journalArticle

Antenna
Wire
Antennas
Perturbation Method
Eigenvalue

From the editors

Makridakis, S., Armstrong, J. S., Carbone, R. & Fildes, R., 1 Jan 1983, In : Journal of Forecasting. 2, 3, p. i-i

Research output: Contribution to journalEditorial

From the editors

Makridakis, S., Armstrong, J. S., Carbone, R. & Fildes, R., 1 Jan 1983, In : Journal of Forecasting. 2, 1, p. i-i

Research output: Contribution to journalEditorial

From the editors

Makridakis, S., Armstrong, J. S., Carbone, R. & Fildes, R., 1 Jan 1983, In : Journal of Forecasting. 2, 2, p. i-i

Research output: Contribution to journalEditorial

10 Citations (Scopus)

Hypertrophic cardiomyopathy in South African Blacks

Lewis, B. S., Agathangelou, N. E., Flax, H., Taams, M. A. & Barlow, J. B., 1983, In : South African Medical Journal. 63, 8, p. 266-269 4 p.

Research output: Contribution to journalArticle

Hypertrophic Cardiomyopathy
Southern Africa
Population Groups
Population
Therapeutics

Improving the care of asthmatic patients in general practice.

Hilton, S. & Sibbald, B., 3 Sep 1983, In : British Medical Journal (Clinical research ed.). 287, 6393, p. 686 1 p.

Research output: Contribution to journalLetter

4 Citations (Scopus)

INPUT IMPEDANCE OF A MONOPOLE ANTENNA ON A FINITE POLYGONAL GROUND PLANE.

Zimourtopoulos, P. E., Sahalos, J. N. & Thiele, G. A., Jun 1983, In : IEE Proceedings H: Microwaves Optics and Antennas. 130, 4, p. 276-280 5 p.

Research output: Contribution to journalArticle

Monopole antennas
Antenna grounds
Diffraction
6 Citations (Scopus)

Investigation into Nonperiodic Lamé Functions and Application to Electromagnetic Problems

Vafiadis, E. & Sahalos, J. N., 1983, In : Journal of the Franklin Institute. 315, 3, p. 195-210 16 p.

Research output: Contribution to journalArticle

Eigenvalues and Eigenfunctions
Neumann Problem
Eigenvalues and eigenfunctions
Dirichlet Problem
Cones

Left atrial myxoma in a Black man. A case report describing the neurological and electrocardiographic manifestations

Essop, A. R., Feldman, C., Lewis, B. S. & Agathangelou, N. E., 1983, In : South African Medical Journal. 64, 27, p. 1070-1073 4 p.

Research output: Contribution to journalArticle

Myxoma
Neurologic Manifestations
Echocardiography
55 Citations (Scopus)

Molecular properties of opioid receptors

Barnard, E. A. & Demoliou-Mason, C., 1983, In : British Medical Bulletin. 39, 1, p. 37-45 9 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Mutual Coupling and Radiation Patterns of Two Slots Asymmetrically Located on a Square Plate

Commatas, C. G. & Sahalos, J. N., 1983, In : IEEE Transactions on Antennas and Propagation. 31, 3, p. 531-535 5 p.

Research output: Contribution to journalArticle

Slot antennas
Directional patterns (antenna)
slots
Degradation
slot antennas
6 Citations (Scopus)

PERIODIC LAME FUNCTIONS AND APPLICATIONS TO THE DIFFRACTION BY A PLANE ANGULAR SECTOR.

Sahalos, J. N. & Thiele, G. A., 1983, In : Canadian journal of physics. 61, 12, p. 1583-1591 9 p.

Research output: Contribution to journalArticle

Lame functions
periodic functions
eigenvectors
eigenvalues
sectors
6 Citations (Scopus)

Prevalence of a non‐A, non‐B‐associated antigen/antibody system detected by radioimmunoassay in acute and chronic liver disease

Luo, KX. X., Karayiannis, P., Burns, D. M., Bamber, M., Kernoff, P. & Thomas, H., 1983, In : Journal of Medical Virology. 12, 4, p. 253-265 13 p.

Research output: Contribution to journalArticle

Radioimmunoassay
Liver Diseases
Chronic Disease
Antigens
Hepatitis
2 Citations (Scopus)

Real-Time 2-dimensional echocardiographic imaging of rightsided cardiac vegetations in ventricular septal defect

Agathangelou, N. E., Dos Santos, L. A. & Lewis, B. S., 1983, In : The American Journal of Cardiology. 52, 3, p. 420-421 2 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Real-time 2-dimensional echocardiographic visualization of thrombus on a Björk-Shiley mitral valve prosthesis. Emergency cesarean section and mitral valve replacement in late pregnancy

Lewis, B. S., Agathangelou, N. E., Dos Santos, L. A. & Antunes, M. J., 1 Mar 1983, In : The American Journal of Cardiology. 51, 5, p. 908-909 2 p.

Research output: Contribution to journalArticle

32 Citations (Scopus)

Significance of delta agent infection in chronic hepatitis B virus infection: A study in British carriers

Weller, I. V. D., Karayiannis, P. & Lok, A. S. F., 1983, In : Gut. 24, 11, p. 1061-1063 3 p.

Research output: Contribution to journalArticle

Hepatitis D
Hepatitis Delta Virus
Chronic Hepatitis B
Virus Diseases
Hepatitis B virus
16 Citations (Scopus)

The Eigenfunction Solution for Scattered Fields and Surface Currents of a Vertex

Sahalos, J. N. & Thiele, G. A., 1983, In : IEEE Transactions on Antennas and Propagation. 31, 1, p. 206-211 6 p.

Research output: Contribution to journalArticle

Eigenvalues and eigenfunctions
eigenvectors
apexes
eigenvalues
sectors

Why Brent has resisted the manpower targets.

Haslam, D., Nov 1983, In : Health services manpower review. 9, 3, p. 6-8 3 p.

Research output: Contribution to journalArticle

1982
2 Citations (Scopus)

An editorial statement

Makridakis, S., Armstrong, J. S., Carbone, R. & Fildes, R., 1 Jan 1982, In : Journal of Forecasting. 1, 1, p. 1-2 2 p.

Research output: Contribution to journalEditorial

7 Citations (Scopus)
Photoaffinity Labels
Photolysis
Cell membranes
Glucagon
Adenylyl Cyclases

Bioavailability rides again

Haslam, D., 1982, In : Journal of the Royal College of General Practitioners. 32, 238, p. 269-270 2 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)

Cardiac operation during active infective endocarditis. Results of aortic, mitral, and double valve replacement in 94 patients

Lewis, B. S., Agathangelou, N. E., Colsen, P. R., Antunes, M. & Kinsley, R. H., 1982, In : Journal of Thoracic and Cardiovascular Surgery. 84, 4, p. 579-584 6 p.

Research output: Contribution to journalArticle

Endocarditis
Mitral Valve
Mortality
Emergencies
Heart Valves
5 Citations (Scopus)

Chronology of the last six recessions

Makridakis, S., 1 Jan 1982, In : Omega. 10, 1, p. 43-50 8 p.

Research output: Contribution to journalArticle

Recession
Chronology
Economic activity
Economists
Prediction
15 Citations (Scopus)

Evaluating health education in asthma - developing the methodology: preliminary communication

Hilton, S., Sibbald, B., Anderson, H. R. & Freeling, P., 1982, In : Journal of the Royal Society of Medicine. 75, 8, p. 625-630 6 p.

Research output: Contribution to journalArticle

High-quality imaging of a left atrial tumour using real-time two-dimensional echocardiography. A case report

Lewis, B. S., Stein, M. G., Agathangelou e., N. & Barlow, J. B., 1982, In : South African Medical Journal. 61, 5, p. 165-167 3 p.

Research output: Contribution to journalArticle

Echocardiography
Myxoma
Diastole
Neoplasms
12 Citations (Scopus)

Identification of the Glucagon Receptor by Covalent Labeling with a Radiolabeled Photoreactive Glucagon Analogue

Demoliou-Mason, C. & Epand, R. M., 1 Apr 1982, In : Biochemistry. 21, 9, p. 1996-2004 9 p.

Research output: Contribution to journalArticle

Glucagon Receptors
Glucagon
Labeling
Molecular Weight
Molecular weight

Letter to the editor

Tomasek, O., Makridakis, S., Armstrong, J. S., Carbone, R. & Fildes, R., 1 Jan 1982, In : Journal of Forecasting. 1, 4, p. i-ii

Research output: Contribution to journalLetter

1 Citation (Scopus)

Permanent cardiac pacing in South African Blacks

Dos Santos, L. A., Agathangelou, N. E., Taams, M. A. & Lewis, B. S., 1982, In : South African Medical Journal. 61, 25, p. 947-949 3 p.

Research output: Contribution to journalArticle

Sick Sinus Syndrome
Heart Block
Dilated Cardiomyopathy
Coronary Artery Disease
Myocardial Infarction
864 Citations (Scopus)

The accuracy of extrapolation (time series) methods: Results of a forecasting competition

Makridakis, S., Andersen, A., Carbone, R., Fildes, R., Hibon, M., Lewandowski, R., Newton, J., Parzen, E. & Winkler, R., 1 Jan 1982, In : Journal of Forecasting. 1, 2, p. 111-153 43 p.

Research output: Contribution to journalArticle

Extrapolation
Forecasting
Time series
Horizon
Series
1981
4 Citations (Scopus)

Amino acid requirements of a Chlamydia trachomatis genital strain in McCoy cell cultures

Karayiannis, P. & Hobson, D., 1981, In : Journal of Clinical Microbiology. 13, 3, p. 427-432 6 p.

Research output: Contribution to journalArticle

Chlamydia trachomatis
Cell Culture Techniques
Amino Acids
Cycloheximide
Growth
3 Citations (Scopus)
Mannosidases
Glucosidases
Trypanosoma brucei brucei
Glycoside Hydrolases
Glycoproteins
26 Citations (Scopus)

Dialysis encephalopathy: Precipitating factors and improvement in prognosis

Platts, M. M. & Anastassiades, E., 1981, In : Clinical Nephrology. 15, 5, p. 223-228 6 p.

Research output: Contribution to journalArticle

Precipitating Factors
Brain Diseases
Dialysis
Aluminum
Hypophosphatemia
2 Citations (Scopus)

Effect of cycloheximide on the infective yield of a genital strain of Chlamydia trachomatis in McCoy cells

Karayiannis, P., Hobson, D. & Lee, N., 1981, In : Infection and Immunity. 33, 1, p. 309-311 3 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Forecasting accuracy and the assumption of constancy

Makridakis, S., 1 Jan 1981, In : Omega. 9, 3, p. 307-311 5 p.

Research output: Contribution to journalArticle

Forecasting accuracy