PT - JOURNAL ARTICLE AU - Jackson, R. TI - How safe is low-dose long-term systemic tetracycline therapy DP - 1976 Nov 06 TA - Canadian Medical Association Journal PG - 838--838 VI - 115 IP - 9 4099 - http://www.cmaj.ca/content/115/9/838.short 4100 - http://www.cmaj.ca/content/115/9/838.full SO - CMAJ1976 Nov 06; 115