Siriwan Thitiphongpraphat และ Pirudee Pavananunt. (2014) Factors affecting HIV-Infected patients intention in clinical trial participation. Mahidol University:ม.ป.ท.Siriwan Thitiphongpraphat และ Pirudee Pavananunt. 2014. Factors affecting HIV-Infected patients intention in clinical trial participation. ม.ป.ท.:Mahidol University;Siriwan Thitiphongpraphat และ Pirudee Pavananunt. Factors affecting HIV-Infected patients intention in clinical trial participation. ม.ป.ท.:Mahidol University, 2014. Print.