PT - JOURNAL ARTICLE ED - British Journal of General Practice TI - Textbook of Medicine DP - 1957 Aug 01 TA - Research Newsletter PG - 272--273 VI - os-5 IP - 16 4099 - http://bjgp.org/content/os-5/16/272.2.short 4100 - http://bjgp.org/content/os-5/16/272.2.full SO - Res Newsl1957 Aug 01; os-5