title: Condoms for sex work: protection or evidence?
authors.affiliation: CMAJ.
authors.forename: Roger
authors.initials: R
authors.lastname: Collier
mesh_terms: D002170:Canada; D017280:Condoms / Q000706:statistics & numerical data*; D017144:Focus Groups / Q000379:methods*; D006293:Health Promotion; D006801:Humans; D008297:Male; D011634:Public Health; D021841:Safe Sex; D011477:Sex Work / Q000706:statistics & numerical data*; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D011795:Surveys and Questionnaires; D014481:United States