TY  - RPRT
TI  - Air pollution and bronchitis.
AU  - J PEMBERTON
AU  - C GOLDBERG
PY  - 1954
DO  - 10.1136/bmj.2.4887.567
UR  - https://pubmed.ncbi.nlm.nih.gov/13182282/
ID  - 13182282
ER  -