Wang J H, Wang L Y, Lin Z Y, Chen S C, Kang S C, Chuang W L, Lu S N, Hseih M Y, Tsai J F, Chang W Y
Department of Internal Medicine, Kaohsiung Medical College Hospital, Taiwan, Republic of China.
J Ultrasound Med. 1995 Jun;14(6):471-4. doi: 10.7863/jum.1995.14.6.471.