PT - JOURNAL ARTICLE ED - , TI - Early Diagnosis AID - 10.1136/pgmj.36.415.347-a DP - 1960 May 01 TA - Postgraduate Medical Journal PG - 347--347 VI - 36 IP - 415 4099 - http://pmj.bmj.com/content/36/415/347.2.short 4100 - http://pmj.bmj.com/content/36/415/347.2.full SO - Postgrad Med J1960 May 01; 36