[Improved methods of contact tracing].
D003075:Coitus; D005260:Female; D006801:Humans; D008131:London; D008297:Male; D011159:Population Surveillance; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D011795:Surveys and Questionnaires
Zdokonalevání metody pri vyhledávání kontakta.