Narumol Nopsuwanwong. (1991) Factors affecting spontaneous reporting system of adverse drug reaction. Mahidol University,:ม.ป.ท.Narumol Nopsuwanwong. 1991. Factors affecting spontaneous reporting system of adverse drug reaction. ม.ป.ท.:Mahidol University,;Narumol Nopsuwanwong. Factors affecting spontaneous reporting system of adverse drug reaction. ม.ป.ท.:Mahidol University, 1991. Print.