RT Journal Article SR Electronic T1 Hypertension in Finland JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 694 OP 696 VO 31 IS 232 A1 Pertti Kekki YR 1981 UL http://bjgp.org/content/31/232/694.4.abstract AB