TY - RPRT TI - Ventricular fibrillation induced by a defective demand pacemaker. AU - R Chirife AU - W S Frankl AU - R Mendizabal AU - M R Estioko PY - 1976 DO - 10.1378/chest.69.2.247 UR - https://pubmed.ncbi.nlm.nih.gov/1248290/ ID - 1248290 ER -