TY  - BOOK
AU  - Porter, Ruth, ed.
TI  - Identification of asthma
U1  - 616.238 
PY  - 1971///
CY  - London
PB  - J. & A. Churchill
KW  - Asthma
KW  - Diseases
KW  - Respiratory System
N1  - Includes index
ER  -