TY  - RPRT
TI  - Exercise echocardiography.
AU  - S N Berberich
AU  - J R Zager
PY  - 1988
DO  - 10.1016/0735-1097(88)90344-0
UR  - https://pubmed.ncbi.nlm.nih.gov/3403856/
ID  - 3403856
ER  -