TI - Atrioventricular block with 2:1 conduction—discussion PT - JOUR DP - 2013 TA - JAMA Internal Medicine pages = {336-337}, VI - 173 IP - 5 AID - 10.1001/jamainternmed.2013.3182b [doi] 4100 - http://dx.doi.org/10.1001/jamainternmed.2013.3182b SO - JAMA Internal Medicine March 11, 2013 173(5):336