Oyama Chikako, Takahashi Tsutomu, Matsumori Mika, Shoji Yutaka, Tajima Gou, Sakura Nobuo, Hasegawa Yuki, Yamaguchi Seiji, Kakinuma Hiroaki, Takada Goro
Department of Pediatrics, Akita University School of Medicine, Akita, Japan.
Pediatr Int. 2007 Apr;49(2):232-4. doi: 10.1111/j.1442-200X.2007.02325.x.