TY - JOUR T1 - Sperm donor pool shrivels when payments cease JF - Canadian Medical Association Journal JO - CMAJ DO - 10.1503/cmaj.109-3152 AU - Roger Collier Y1 - 2010/01/18 UR - http://www.cmaj.ca/content/early/2010/01/18/cmaj.109-3152.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -