TY  - RPRT
TI  - Ipratropium bromide.
AU  - K L Massey
AU  - V P Gotz
PY  - 1985
DO  - 10.1177/106002808501900102
UR  - https://pubmed.ncbi.nlm.nih.gov/3155676/
ID  - 3155676
ER  -