TY  - RPRT
TI  - Chronic bronchitis and antibiotics.
AU  - J E Carbone
PY  - 1983
DO  - 10.7326/0003-4819-98-1-109_2
UR  - https://pubmed.ncbi.nlm.nih.gov/6848025/
ID  - 6848025
ER  -