PT - JOURNAL ARTICLE AU - O. Clarke AU - C. W. Jeanes TI - The present status of tuberculin in Canada DP - 1972 Dec 23 TA - Canadian Medical Association Journal PG - 1163a--1164 VI - 107 IP - 12 4099 - http://www.cmaj.ca/content/107/12/1163a.short 4100 - http://www.cmaj.ca/content/107/12/1163a.full SO - CMAJ1972 Dec 23; 107