PT - JOURNAL ARTICLE AU - Roger Ladouceur TI - Ups and downs of evidence and practice guidelines DP - 2013 Nov 01 TA - Canadian Family Physician PG - 1143--1143 VI - 59 IP - 11 4099 - http://www.cfp.ca/content/59/11/1143.short 4100 - http://www.cfp.ca/content/59/11/1143.full SO - Can Fam Physician2013 Nov 01; 59