PT - JOURNAL ARTICLE AU - Alan Katz AU - Anne Katz TI - Erectile dysfunction AID - 10.1503/cmaj.090422 DP - 2010 Feb 08 TA - Canadian Medical Association Journal 4099 - http://www.cmaj.ca/content/early/2010/02/08/cmaj.090422.short 4100 - http://www.cmaj.ca/content/early/2010/02/08/cmaj.090422.full