Piezoelectric lithotripsy of calcified gallstones results and sixmonth follow up.
Joon Koo Han, Byung Ihn Choi, Yong Bum Yoon, Yong Hyun Park, Chu Wan Kim, Man Chung Han
J Korean Soc Med Ultrasound. 1992;11(1):18-24. Published online January 1, 2001
Deep venous thrombosis of the lower extremity:duplex doppler ultra-sound findings.
Hyung Seok Kim, Jae Hyung Park, Joon Koo Han, Man Chung Han, Myung Cheol Lee, Sang Joon Kim
J Korean Soc Med Ultrasound. 1991;10(1):66-72. Published online January 1, 2001