TY  - BOOK
AU  - Cowie,Valerie A.
TI  - A study of the early development of mongols
T2  - Institute for research into mental retardation. monograph
AV  - RC571 C67 1970
PY  - 1970///
CY  - Oxford
PB  - Pergamon Press
KW  - Síndrome de Down
ER  -