Editorial: The prevention of Down's syndrome

Results of a tuberculosis-specific IFN-gamma assay in children at high risk for tuberculosis infection.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2006

Effects of vitamin A supplementation during pregnancy and early lactation on body weight of South African HIV-infected women.

Journal of health, population, and nutrition·2002

Achieving safer sex with choice: studying a women's sexual risk reduction hierarchy in an STD clinic.

Journal of women's health & gender-based medicine·2001

Reporting on methods of subgroup analysis in clinical trials: a survey of four scientific journals.

Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas·2001

A multi-sectorial committee in directing HIV/AIDS-specific interventions in the occupational setting: an example from South Africa.

AIDS patient care and STDs·2001