Editorial response: moving from core groups to risk spaces.
Fichtenberg
Caroline M
CM
Ellen
Jonathan M
JM
D000293:Adolescent; D000328:Adult; D015331:Cohort Studies; D016021:Epidemiologic Studies; D005260:Female; D006801:Humans; D008297:Male; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control*