[Prevalence rate of severely mentally and physically handicapped children in school age in Yokohama]

Miyakawa T, Matsui K, Tanaka M, Yamashita S, Miyake S, Yamada M, Iwamoto H, Yokota K. [Prevalence rate of severely mentally and physically handicapped children in school age in Yokohama]. Brain Dev. 1992; 24(1): 50-3.