TY  - RPRT
TI  - Exercise testing with concurrent beta-blocker usage: is it useful? What do we learn?
AU  - Eugene E Wolfel
PY  - 2006
DO  - 10.1007/s11897-006-0006-x
UR  - https://pubmed.ncbi.nlm.nih.gov/16928341/
ID  - 16928341
ER  -