TY - RPRT TI - VENTRICULAR TACHYCARDIA AFTER SYNCHRONIZED DIRECT-CURRENT COUNTERSHOCK. AU - W S GRAF AU - P ETKINS PY - 1964 DO - 10.1001/jama.1964.03070180068019 UR - https://pubmed.ncbi.nlm.nih.gov/14197999/ ID - 14197999 ER -