TY  - RPRT
TI  - Asthma mortality: what have we learned?
AU  - A S Buist
PY  - 1989
DO  - 10.1016/0091-6749(89)90408-9
UR  - https://pubmed.ncbi.nlm.nih.gov/2674261/
ID  - 2674261
ER  -