Concepedia

O. A. C. Viegas

OA

34

Publications

1.1K

Citations

19

H-Index

1982

Active since

Affiliations

National University Hospital(Current)

National University of Singapore

KK Women's and Children's Hospital

Population Council

Instituto Chileno de Medicina Reproductiva

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

Top concepts

Publications per year

1982–2004

34

Publications

34

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 et al. · BMJ · 1982 · 95 citations · Full text

The performance of levonorgestrel rod and Norplant contraceptive implants: a 5 year randomized study

Irving Sivin, I Campodónico, Orawan Kiriwat et al. · Human Reproduction · 1998 · 91 citations · Full text

, , +20

A randomized controlled trial of non‐stress antepartum cardiotocography

Anna M. Flynn, John Kelly, H. Mansfield et al. · BJOG An International Journal of Obstetrics & Gynaecology · 1982 · 82 citations

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 et al. · BMJ · 1982 · 73 citations · Full text

, , +23

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 · 1993 · 70 citations · Full text

, , +9

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