RT Journal Article SR Electronic T1 A LABORATORY GUIDE TO CLINICAL DIAGNOSIS (4th EDITION) JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 124 OP 124 VO 27 IS 175 A1 Simon Jenkins YR 1977 UL http://bjgp.org/content/27/175/124.3.abstract AB