TY  - BOOK
AU  - Parsons, Polly. E.
AU  - Heffner,John E.
TI  - Pulmonary/respiratory therapy secrets 
SN  - 1560534273
AV  - MED RC756 P84 
PY  - 2002///
CY  - Philadelphia 
PB  - Hanley & Belfus , Mosby
KW  - Lungs
KW  - Respiratory therapy
KW  - Respiratory Tract Diseases
ER  -