RT Journal Article SR Electronic T1 BLOOD PRESSURE AND OLD AGE JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 143 OP 148 DO 10.1136/hrt.4.4.143 VO 4 IS 4 A1 Trevor H. Howell YR 1942 UL http://heart.bmj.com/content/4/4/143.abstract AB