PT - JOURNAL ARTICLE AU - Diane Kelsall TI - Uncertainty principle DP - 2007 Mar 01 TA - Canadian Family Physician PG - 383--383 VI - 53 IP - 3 4099 - http://www.cfp.ca/content/53/3/383.1.short 4100 - http://www.cfp.ca/content/53/3/383.1.full SO - Can Fam Physician2007 Mar 01; 53