TY - JOUR T1 - Number of births to maintain competence. JF - Canadian Family Physician JO - Can Fam Physician SP - 751 LP - 751 VL - 48 IS - 4 AU - Society of Obstetricians and Gynaecologists of Canada AU - College of Family Physicians of Canada AU - Society of Rural Physicians of Canada Y1 - 2002/04/01 UR - http://www.cfp.ca/content/48/4/751.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -