TY - RPRT TI - Comparative analysis of direct current defibrillators. AU - G A Ewy AU - R D Fletcher AU - M D Ewy PY - 1972 DO - 10.1016/s0022-0736(72)80045-1 UR - https://pubmed.ncbi.nlm.nih.gov/4651655/ ID - 4651655 ER -