PT - JOURNAL ARTICLE ED - , TI - Recurrent carcinoma in situ DP - 1972 May 20 TA - Canadian Medical Association Journal PG - 1046--1046 VI - 106 IP - 10 4099 - http://www.cmaj.ca/content/106/10/1046.short 4100 - http://www.cmaj.ca/content/106/10/1046.full SO - CMAJ1972 May 20; 106