TY - RPRT TI - Normal exercise capacity in patients with severe left ventricular dysfunction: compensatory mechanisms. AU - R L Litchfield AU - R E Kerber AU - J W Benge AU - A L Mark AU - J Sopko AU - R K Bhatnagar AU - M L Marcus PY - 1982 DO - 10.1161/01.cir.66.1.129 UR - https://pubmed.ncbi.nlm.nih.gov/7083499/ ID - 7083499 ER -