TY  - RPRT
TI  - Observations on asthma mortality.
AU  - E R McFadden
AU  - E L Warren
PY  - 1997
DO  - 10.7326/0003-4819-127-2-199707150-00009
UR  - https://pubmed.ncbi.nlm.nih.gov/9230005/
ID  - 9230005
ER  -