RT Journal Article SR Electronic T1 ELECTROCARDIOGRAPHIC CHANGES DURING PROFOUND HYPOTHERMIA JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 265 OP 268 DO 10.1136/hrt.24.3.265 VO 24 IS 3 A1 Tofler, O. B. YR 1962 UL http://heart.bmj.com/content/24/3/265.abstract AB