TY  - RPRT
TI  - Cigarette smoking in asthma.
AU  - T W Higenbottam
AU  - C Feyeraband
AU  - T J Clark
PY  - 1980
DO  - 10.1016/0007-0971(80)90056-x
UR  - https://pubmed.ncbi.nlm.nih.gov/7426367/
ID  - 7426367
ER  -