[Block project I].
D001519:Behavior; D003415:Crime; D019049:Developed Countries; D004194:Disease; D004467:Economics; D005060:Europe; D007239:Infections; D010865:Pilot Projects; D011174:Portugal; D012106:Research; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases; D012940:Social Problems; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders
Behavior; Crime; Developed Countries; Diseases; Drug Addiction; Economic Factors; Europe; Infections; Pilot Projects; Portugal; Prostitutes; Reproductive Tract Infections; Research Methodology; Sex Behavior--legal aspects; Sexually Transmitted Diseases; Social Problems; Socioeconomic Factors; Southern Europe; Studies; Substance Addiction