O. A. C. Viegas - Concepedia

Author

O. A. C. Viegas

Also Known As

O A C Viegas, O A Viegas, O Viegas, O. A. C. VIEGAS, O. A. C. Viegas, O. A. Viegas, O. A.C. Viegas, O. Viegas, O.A.C Viegas, O.A.C. Viegas

Publications

1.3K

Citations

H-Index

Concepts

All Affiliations

National University Hospital National University of Singapore KK Women's and Children's Hospital Population Council Instituto Chileno de Medicina Reproductiva

About

O. A. C. Viegas is an author at National University Hospital specializing in medicine, obstetrics, and public health.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Medicine	12	16	518
2	Public Health	8	8	347
3	Health Sciences	3	3	91
4	Nursing	1	1	15
5	Anesthesia	1	1	70

O. A. C. Viegas

Publications

1.1K

Citations

H-Index

Page 1

	Year	Citations
Dietary protein energy supplementation of pregnant Asian mothers at Sorrento, Birmingham. II: Selective during third trimester only. O. A. C. Viegas, P. Scott, T J Cole, BMJ	1982	95
The performance of levonorgestrel rod and Norplant contraceptive implants: a 5 year randomized study Irving Sivin, I Campodónico, Orawan Kiriwat, Human Reproduction Contraceptive UseHormonal ContraceptiveFertilityLevonorgestrel RodOral Contraceptive	1998	91
A randomized controlled trial of non‐stress antepartum cardiotocography Anna M. Flynn, John Kelly, H. Mansfield, BJOG An International Journal of Obstetrics & Gynaecology	1982	82
Dietary protein energy supplementation of pregnant Asian mothers at Sorrento, Birmingham. I: Unselective during second and third trimesters. O. A. C. Viegas, P. Scott, T J Cole, BMJ NutritionFertilityGynecologyFetal HealthHigh-risk Pregnancy	1982	73
Tramadol in labour pain in primiparous patients. A prospective comparative clinical trial O. A. C. Viegas, Benny Khaw, S. S. Ratnam European Journal of Obstetrics & Gynecology and Reproductive Biology Labour PainHealth SciencesAcute PainPain MedicinePostoperative Pain Management	1993	70
Predictive value of, and observer variability in, several ways of reporting antepartum cardiotocographs Anna M. Flynn, John Kelly, Keith Matthews, BJOG An International Journal of Obstetrics & Gynaecology Fetal MedicineDiagnosisPredictive ValueFetal OutcomeBiostatistics	1982	64
Levonorgestrel concentrations during use of levonorgestrel rod (LNG ROD) implants Irving Sivin, Pekka Lähteenmäki, Sirpa Ranta, Contraception	1997	63
Clinical performance of a new two-rod levonorgestrel contraceptive implant: A three-year randomized study with Norplant® implants as controls Irving Sivin, O. A. C. Viegas, I Campodónico, Contraception	1997	56
Effects on Hemostasis After Two-Year Use of Low Dose Combined Oral Contraceptives with Gestodene or Levonorgestrel Rama Prasad, Stephen C. L. Koh, O. A. C. Viegas, Clinical and Applied Thrombosis/Hemostasis	1999	38
Collaborative Stud‐ on Preterm Breeches: Vaginal Deliver‐ Versus Caesarean Section O. A. C. Viegas, Ingemar Ingemarsson, Low Poh Sim, Asia-Oceania Journal of Obstetrics and Gynaecology GynecologyVaginal DeliveryOperative Vaginal DeliveryPreterm Birth PredictionSurgery	1985	34

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