Chutatip Chompoonuch. (1997) Prevalence of human immunodeficiency virus antibody and P24 antigen in female sex workers, Ratchaburi province and associated factors. Mahidol University,:ม.ป.ท.Chutatip Chompoonuch. 1997. Prevalence of human immunodeficiency virus antibody and P24 antigen in female sex workers, Ratchaburi province and associated factors. ม.ป.ท.:Mahidol University,;Chutatip Chompoonuch. Prevalence of human immunodeficiency virus antibody and P24 antigen in female sex workers, Ratchaburi province and associated factors. ม.ป.ท.:Mahidol University, 1997. Print.