TY - BOOK AU - Stur Otto, International Congress on Mental Retardation (2nd: 1961: Wein) TI - Organic bases and biochemical aspects of imbecility, Pt. 1 U1 - WM300 PY - 1963/// CY - Basel PB - S. Karger KW - Mental Retardation N1 - Based on: Proceedings of the Second International Congress on Mental Retardation Wein, 14-19 August 1961 N2 - Mental Retardation ER -