PT - JOURNAL ARTICLE AU - Shuchman, Miriam TI - Frequent blood donors risk iron deficiency AID - 10.1503/cmaj.109-4807 DP - 2014 Aug 05 TA - Canadian Medical Association Journal PG - 817--817 VI - 186 IP - 11 4099 - http://www.cmaj.ca/content/186/11/817.short 4100 - http://www.cmaj.ca/content/186/11/817.full SO - CMAJ2014 Aug 05; 186