PT - JOURNAL ARTICLE AU - Hickey, J TI - How accurate are they? DP - 2000 May 01 TA - Canadian Family Physician PG - 1059--1059 VI - 46 IP - 5 4099 - http://www.cfp.ca/content/46/5/1059.short 4100 - http://www.cfp.ca/content/46/5/1059.full SO - Can Fam Physician2000 May 01; 46