Ko S F, Shieh C S, Ng S H, Tiao M M, Lee T Y, Wan Y L
Department of Radiology, Chang Gung University, Chang Gung Memorial Hospital at Kaohsiung, Niao-Sung Hsiang, Kaohsiung Hsien, Taiwan.
J Pediatr Gastroenterol Nutr. 1999 Nov;29(5):604-6. doi: 10.1097/00005176-199911000-00026.