TY - RPRT TI - Confusion in interpreting pacemaker related rhythms. AU - J W McBride AU - R Madlon-Kay PY - 1989 DO - 10.1111/j.1540-8159.1989.tb01913.x UR - https://pubmed.ncbi.nlm.nih.gov/2471177/ ID - 2471177 ER -