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| cervical dysplasia and hiv type 1 infection in african pregnant women: a cross sectional study, kigali, rwanda. the pregnancy and hiv study group (ege). | to study the prevalence of cervical squamous intraepithelial lesions (sils) and their association with hiv-1 infection and immunodeficiency among pregnant women in kigali, rwanda. | 1999 | 10448362 |