title: Traveling to China for the Beijing Olympic Games: internal migration of the commercial sex workforce may be an important HIV risk factor for travelers.
authors.forename: Derek R
authors.initials: DR
authors.lastname: Smith
authors.forename: Ning
authors.initials: N
authors.lastname: Wei
mesh_terms: D002681:China / Q000453:epidemiology; D015658:HIV Infections / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D011157:Population Dynamics; D012307:Risk Factors; D011477:Sex Work; D013177:Sports; D014195:Travel