Severely retarded children in a defined area of Japan. Prevalence rate, associated dicabilities and causes
某県下における重症心身障害児の検討

Hisaharu Suzuki, Masao Aihara, Kenji Sugai
1991 No to hattatsu = Brain and development  
doi:10.11251/ojjscn1969.23.4 fatcat:q3ac7fpyt5dplbcqlsuizfscyy