Child care in health and disease : Symposium to commemorate the dedication of The Silvain and Arma Wyler Children's Hospital and The Joseph P. Kennedy, Jr. Mental Retardation Research Center, August 29 - September 2, 1966, The University of Chicago - Dorfman, Albert, 1916-1982; Thorp, Nina, 1963- (Year Book Medical Publishers, 1968)