RT Journal Article SR Electronic T1 William Pickles Lecture 1981. "Verities yet in their chaos". JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 328 OP 333 VO 31 IS 227 A1 I. M. Richardson YR 1981 UL http://bjgp.org/content/31/227/328.abstract AB