AU - PARDEE HB TI - A simple immersion electrode for taking clinical electrocardiograms PT - JOUR DP - 1923 TA - Archives of Internal Medicine pages = {181-183}, VI - 31 IP - 2 AID - 10.1001/archinte.1923.00110140033004 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1923.00110140033004 SO - Archives of Internal Medicine February 1, 1923 31(2):181