TY  - RPRT
TI  - Bronchial reactivity in occupational asthma.
AU  - M C Pain
AU  - H S Symons
PY  - 1972
DO  - 10.5694/j.1326-5377.1972.tb46926.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5056708/
ID  - 5056708
ER  -