TY  - BOOK
AU  - Levinson,Abraham
AU  - Bigler,John A.
TI  - Mental retardation in infants ando children
U1  - 618.9289 
PY  - 1960///
CY  - Chicago
PB  - Year Book Pub
KW  - Mentally ill children
KW  - Infants [New born]
KW  - Diseases
N1  - Includes index
ER  -