From the Centers for Disease Control and Prevention. Distribution of STD clinic patients along a stages-of-behavioral-change continuum--selected sites, 1993.
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D000554:Ambulatory Care Facilities / Q000706:statistics & numerical data*; D017280:Condoms / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D010865:Pilot Projects; D012725:Sexual Behavior / Q000706:statistics & numerical data*; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D014481:United States; D014505:Urban Population