RT Journal Article SR Electronic T1 The distribution of mortality from coronary heart disease in South Wales. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 258 OP 268 VO 19 IS 94 A1 J. T. Hart YR 1970 UL http://bjgp.org/content/19/94/258.abstract AB