1999 Hepatitis B en zwangerschap.
1999 HIV en zwangerschap.
1999 HIV/STD: the women to blame? Knowledge and attitudes among STD clinic attendees in the second decade of HIV/AIDS.
1999 Knowledge, attitudes, and practices regarding emergency contraception among nurses and nursing students in two hospitals in Nairobi, Kenya.
1999 Predicting Neisseria gonorrhoeae and Chlamydia trachomatis infection using risk scores, physical examination, microscopy and leukocyte esterase urine dipsticks among asymptomatic women attending a family planning clinic in Kenya.
1999 Risk factors for human papillomavirus and cervical precancerous lesions, and the role of concurrent HIV-1 infection.
1999 Rubella en zwangerschap
1999 Toxoplasmose en zwangerschap.
1999 Zidovudine to prevent mother to infant HIV transmission in developing countries : many questions
1998 Antimicrobial susceptibility of Neisseria gonorrhoeae isolates from men with urethritis in Kenya.