TY  - BOOK
AU  - Duffy,Joseph R
TI  - Motor speech disorders
SN  - 9780323072007 (hardcover)
AV  - RC423 DUF 
PY  - 1975///
CY  - Philadelphia
PB  - Saunders
KW  - Speech disorders
KW  - Nervous system --Diseases
KW  - Speech disorders in infancy and childhood
KW  - Motor Neurons --physiopathology
N1  - Includes bibliographical references and index
ER  -