RT Journal Article SR Electronic T1 FIT-INS JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 377 OP 377 VO 30 IS 215 A1 M. J. Falkner-Lee YR 1980 UL http://bjgp.org/content/30/215/377.1.abstract AB