PT - JOURNAL ARTICLE AU - Winkelaar, P G TI - Anonymous calls. DP - 2000 Mar 01 TA - Canadian Family Physician PG - 556--556 VI - 46 IP - 3 4099 - http://www.cfp.ca/content/46/3/556.short 4100 - http://www.cfp.ca/content/46/3/556.full SO - Can Fam Physician2000 Mar 01; 46