TY - JOUR T1 - Not enough vitamin D coverage JF - Canadian Family Physician JO - Can Fam Physician SP - 2104 LP - 2105 VL - 53 IS - 12 AU - Richard Nahas Y1 - 2007/12/01 UR - http://www.cfp.ca/content/53/12/2104.3.abstract N2 - ER -