Sunan Somnak. (1995) The effects of beam hardening on bone densitometry measurement. Mahidol University,:ม.ป.ท.Sunan Somnak. 1995. The effects of beam hardening on bone densitometry measurement. ม.ป.ท.:Mahidol University,;Sunan Somnak. The effects of beam hardening on bone densitometry measurement. ม.ป.ท.:Mahidol University, 1995. Print.