Worapot Sriwattana. 1989. Inhibition of hamster sperm capacitation and fertilization by piperine. Bangkok:Mahidol University;
Worapot Sriwattana. (1989) Inhibition of hamster sperm capacitation and fertilization by piperine (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Worapot Sriwattana. Inhibition of hamster sperm capacitation and fertilization by piperine. Bangkok:Mahidol University, 1989.
Worapot Sriwattana. (1989) Inhibition of hamster sperm capacitation and fertilization by piperine (รายงานผลงานวิจัย). Mahidol University:Bangkok.