RT Journal Article SR Electronic T1 Measurements of sinus impulse conduction from electrogram of bundle of His. JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 719 OP 724 DO 10.1136/hrt.33.5.719 VO 33 IS 5 A1 S Bekheit A1 J G Murtagh A1 P Morton A1 E Fletcher YR 1971 UL http://heart.bmj.com/content/33/5/719.abstract AB