Chantra Chingchitr. (1995) To validate the ejection fraction obtained from gated spect myocardial perfusion study. Mahidol University,:ม.ป.ท.Chantra Chingchitr. 1995. To validate the ejection fraction obtained from gated spect myocardial perfusion study. ม.ป.ท.:Mahidol University,;Chantra Chingchitr. To validate the ejection fraction obtained from gated spect myocardial perfusion study. ม.ป.ท.:Mahidol University, 1995. Print.