TY  - BOOK
AU  - Northern,Jerry L.
TI  - Trastornos de la audición
AV  - RF290 .H4
U1  - 617.8/9 
PY  - 1979///
CY  - Barcelona
PB  - Salvat Editores
KW  - Hearing Disorders
KW  - Local
N1  - Translation of : Hearing disorders; Includes bibliographies and index
ER  -