PT - JOURNAL ARTICLE AU - Nathan Stall TI - Black eyes and barriers AID - 10.1503/cmaj.109-4392 DP - 2013 Jan 01 TA - Canadian Medical Association Journal PG - cmaj.109-4392 4099 - http://www.cmaj.ca/content/early/2013/01/21/cmaj.109-4392.short 4100 - http://www.cmaj.ca/content/early/2013/01/21/cmaj.109-4392.full