RT Journal Article SR Electronic T1 AVOIDING HEART TROUBLE JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 687 OP 687 VO 31 IS 232 A1 Smail, S. A. YR 1981 UL http://bjgp.org/content/31/232/687.1.abstract AB