TY - RPRT TI - Correlation studies between employability, left ventricular hemodynamics and exercise ECG before and after aortocoronary bypass surgery. AU - S Nitter-Hauge PY - 1981 DO - 10.1111/j.0954-6820.1981.tb02594.x UR - https://pubmed.ncbi.nlm.nih.gov/6972153/ ID - 6972153 ER -