TY - RPRT TI - Improved internal defibrillation efficacy with a biphasic waveform. AU - E S Fain AU - M B Sweeney AU - M R Franz PY - 1989 DO - 10.1016/0002-8703(89)90779-5 UR - https://pubmed.ncbi.nlm.nih.gov/2916410/ ID - 2916410 ER -