TY  - GEN
AU  - Bertrand,P T
TI  - The mentally retarded
SN  - 0034-3587
PY  - 1966///0723
KW  - Environment
KW  - Humans
KW  - Intellectual Disability
KW  - Psychology, Social
KW  - Social Isolation
N1  - Publication Type: Journal Article
ER  -