Miyako Kenichi, Yamaguchi Yui, Sakemi Yoshihiro, Suga Naohiro, Utsunomiya Rina, Takahashi Noboru
Department of Pediatrics and Clinical Research Institute, Beppu Medical Center, Oita, Japan.
Pediatr Int. 2011 Apr;53(2):255-8. doi: 10.1111/j.1442-200X.2010.03219.x.