TY - JOUR T1 - Age, sex, location … sperm count? JF - Canadian Medical Association Journal JO - CMAJ SP - E347 LP - E348 DO - 10.1503/cmaj.109-4156 VL - 184 IS - 7 AU - Lauren Vogel Y1 - 2012/04/17 UR - http://www.cmaj.ca/content/184/7/E347.abstract ER -