RT Journal Article SR Electronic T1 Prospective relations between Helicobacter pylori infection, coronary heart disease and stroke in middle-aged men JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 294 OP 294 DO 10.1136/hrt.77.3.294 VO 77 IS 3 A1 Wincup, Ph A1 Mendall, Ma A1 Perry, Ij A1 Strachan, Dp A1 Walker, M YR 1997 UL http://heart.bmj.com/content/77/3/294.1.abstract AB