TY - RPRT TI - Improved diagnostic performance of the exercise ECG test by computerized multivariate ST-segment/heart rate analysis. AU - H Sievänen AU - L Karhumäki AU - I Vuori AU - J Malmivuo PY - 1991 DO - 10.1016/0022-0736(91)90004-6 UR - https://pubmed.ncbi.nlm.nih.gov/2037814/ ID - 2037814 ER -