Duangrudee Cherdwongcharoensuk. (1995) Structure of pars distalis of Rana tigerina and its changes during development and seasonal variation. Mahidol University,:ม.ป.ท.Duangrudee Cherdwongcharoensuk. 1995. Structure of pars distalis of Rana tigerina and its changes during development and seasonal variation. ม.ป.ท.:Mahidol University,;Duangrudee Cherdwongcharoensuk. Structure of pars distalis of Rana tigerina and its changes during development and seasonal variation. ม.ป.ท.:Mahidol University, 1995. Print.