RT Journal Article SR Electronic T1 Implications of a prominent R wave in V1 JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 204 OP 205 DO 10.3949/ccjm.80a.11138 VO 80 IS 4 A1 Eric J. Chan A1 Vijaiganesh Nagarajan A1 Donald A. Underwood YR 2013 UL http://www.ccjm.org/content/80/4/204.abstract AB