Facing AIDS in Costa Rica.
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D000163:Acquired Immunodeficiency Syndrome; D000569:Americas; D001519:Behavior; D001695:Biology; D001769:Blood; D002489:Central America; D003364:Costa Rica; D019049:Developed Countries; D003906:Developing Countries; D004194:Disease; D004493:Education; D015658:HIV Infections; D006266:Health Education; D007843:Latin America; D009656:North America; D010827:Physiology; D015995:Prevalence; D012106:Research; D012107:Research Design; D012736:Sex Education; D012725:Sexual Behavior; D014777:Virus Diseases
Acquired Immunodeficiency Syndrome; Americas; Behavior--changes; Biology; Central America; Costa Rica; Developed Countries; Developing Countries; Diseases; Education; Health Education; Hematological Effects; Hemic System; Hiv Infections; Latin America; Measurement; North America; Physiology; Prevalence; Research Methodology; Sex Behavior--changes; Sex Education; Viral Diseases