Nauclér, A Sexually transmitted diseases and sexual behaviour as risk factors for HIV-2 infection in Bissau, Guinea Bissau. [electronic resource] - International journal of STD & AIDS - 217-21 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0956-4624 Standard No.: 10.1177/095646249300400408 doi Subjects--Topical Terms: Acquired Immunodeficiency Syndrome--epidemiologyAdultAgedCase-Control StudiesFemaleFollow-Up StudiesGuinea-Bissau--epidemiologyHIV SeroprevalenceHIV-2--isolation & purificationHumansMaleMiddle AgedRisk FactorsSexual Behavior