PT - JOURNAL ARTICLE AU - D. C. Morrell TI - DIAGNOSTIC CERTAINTY DP - 1972 Nov 01 TA - The Journal of the Royal College of General Practitioners PG - 770--770 VI - 22 IP - 124 4099 - http://bjgp.org/content/22/124/770.1.short 4100 - http://bjgp.org/content/22/124/770.1.full SO - J R Coll Gen Pract1972 Nov 01; 22