TY  - RPRT
TI  - Regional chronic bronchitis.
AU  - D E Niewoehner
AU  - J Kleinerman
AU  - J D Knoke
PY  - 1972
DO  - 10.1164/arrd.1972.105.4.586
UR  - https://pubmed.ncbi.nlm.nih.gov/5017882/
ID  - 5017882
ER  -