RT Journal Article SR Electronic T1 The international handbook of medical science. A concise guide to current practice and recent advances JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 181 OP 182 VO 20 IS 98 YR 1970 UL http://bjgp.org/content/20/98/181.2.abstract AB