TY  - RPRT
TI  - Asthma and bronchitis with emphysema.
AU  - D A WILLIAMS
PY  - 1961
DO  - 10.1111/j.1398-9995.1961.tb02915.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14007130/
ID  - 14007130
ER  -