Cho Su Jin, Lee Soo Jeong, Yoo Eun Sun, Ryu Kyung-Ha, Seoh Ju Young, Hong Ki Sook, Koo Heasoo
Department of Pediatrics, Ewha Womans University College of Medicine, Yangchon-gu, Seoul, Korea.
Pediatr Int. 2006 Apr;48(2):174-7. doi: 10.1111/j.1442-200X.2006.02192.x.