TY - RPRT TI - Threshold, enzymatic, and pathologic changes associated with prolonged transcutaneous pacing in a chronic heart block model. AU - J R Hedges AU - S A Syverud AU - W C Dalsey AU - L A Simko AU - J van der Bel-Kahn AU - M Gabel AU - D P Thomson DO - 10.1016/0736-4679(89)90400-9 UR - https://pubmed.ncbi.nlm.nih.gov/2703683/ ID - 2703683 ER -