AU - OTTO HL TI - THe discordant electrocardiogram PT - JOUR DP - 1929 TA - Archives of Internal Medicine pages = {549-555}, VI - 43 IP - 4 AID - 10.1001/archinte.1929.00130270123009 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1929.00130270123009 SO - Archives of Internal Medicine April 1, 1929 43(4):549