Nattaporn Yoopan. (1997) Early environmental influence on the responsiveness to antianxiety drugs in the adult rats. Mahidol University,:ม.ป.ท.Nattaporn Yoopan. 1997. Early environmental influence on the responsiveness to antianxiety drugs in the adult rats. ม.ป.ท.:Mahidol University,;Nattaporn Yoopan. Early environmental influence on the responsiveness to antianxiety drugs in the adult rats. ม.ป.ท.:Mahidol University, 1997. Print.