TY  - BOOK
AU  - Cowie Valerie A
TI  - A study of the early development of Mongols
AV  - WS107 
U1  - 616.85/8842 
PY  - 1970///]
CY  - Oxford, New York
PB  - Published for the Institute for Research into Mental Retardation by Pergamon Press
KW  - Down syndrome
N1  - "An abridged form of a thesis ... University of London ... 1967."; Bibliography: p. 106-108
ER  -