Use of the venereal disease clinic of San Mateo County, California.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002140:California; D003153:Community Health Services / Q000706:statistics & numerical data*; D003954:Diagnostic Services / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors; D012749:Sexually Transmitted Diseases / Q000453:epidemiology*; D012959:Socioeconomic Factors