Behavior 4 Journal Article 4 Multiple Partners Sex Behavior 4 Africa 3 Africa South Of The Sahara 3 Demographic Factors 3 mehr ... Developing Countries 3 Diseases 3 Middle Africa 3 Population 3 Population Characteristics 3 Research Methodology 3 Sexual Partners 3 Viral Diseases 3 Acquired Immunodeficiency Syndrome--prevention and control 2 Biology 2 French Speaking Africa 2 Hiv Infections--transmission 2 Population At Risk 2 Population Dynamics 2 Prostitutes 2 Risk Factors 2 Acquired Immunodeficiency Syndrome--transmission 1 Adolescent Pregnancy--determinants 1 Adolescents 1 Adolescents, Female 1 Age Factors 1 Americas 1 Barrier Methods 1 weniger ...