TY  - RPRT
TI  - Effect of verapamil on left ventricular function: a randomized, placebo-controlled study.
AU  - R E Vlietstra
AU  - M A Farias
AU  - R L Frye
AU  - H C Smith
AU  - E L Ritman
PY  - 1983
DO  - 10.1016/0002-9149(83)90371-5
UR  - https://pubmed.ncbi.nlm.nih.gov/6340453/
ID  - 6340453
ER  -