RT Journal A1 Brown N T1 COrrections in article on sino-atrial block JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1919 FD November 1 VO 24 IS 5 SP 580 OP 580 DO 10.1001/archinte.1919.00090280111014 UL http://dx.doi.org/10.1001/archinte.1919.00090280111014 AB Line 17: "Fig. 11" should read "Fig. 12."