Chen L C, Huang J L
Division of Allergy, Asthma and Rheumatology, Department of Paediatrics, Chang Gung Children's Hospital and Chang Gung University, 5 Fu-Shing Street, Kwei-Shan Shiang, Tao-Yuan, Taiwan.
Pediatr Radiol. 1998 Sep;28(9):721. doi: 10.1007/s002470050451.