TY  - BOOK
AU  - Buddenhagen,Ronald G.
TI  - Establishing vocal verbalizations in mute mongoloid children
SN  - 0878220216
AV  - RJ506.M4 B8
U1  - 618.92855 BUO 
PY  - 1971///]
CY  - Champaign, Ill.
PB  - Research Press Co.
KW  - Down syndrome
KW  - Speech therapy
N1  - Includes bibliographies
ER  -