TY - BOOK AU - Morán,Roberto E. TI - Manual of mental subnormality: its causes, treatment and prevention with questions and answers PY - 1968/// CY - San Juan, Puerto Rico PB - Editorial U.P.R. KW - Mentally handicapped KW - Local KW - Mental deficiency N1 - Glossary: p. 449-468; Bibliography: p. 469-482 ER -