Atiporn Daengbubpha. (1997) Hepatitis C virus seroprevalence and associated factors in female sex workers, Ratchaburi province. Mahidol University,:ม.ป.ท.Atiporn Daengbubpha. 1997. Hepatitis C virus seroprevalence and associated factors in female sex workers, Ratchaburi province. ม.ป.ท.:Mahidol University,;Atiporn Daengbubpha. Hepatitis C virus seroprevalence and associated factors in female sex workers, Ratchaburi province. ม.ป.ท.:Mahidol University, 1997. Print.