TY  - GEN
AU  - Chohan , Naina. ;ed.
TI  - The medical clinics of north America vol - 74: obstructive lung disease
SN  - 00257125
U1  - 616.2407 
PY  - 1990///
CY  - Philadelphia
PB  - W. B. Saunders
KW  - OBSTRUCTIVE LUNG DISEASE
ER  -