PT - JOURNAL ARTICLE AU - Jesse Janssen AU - Sanjeet Singh-Saluja TI - How much did you take? DP - 2015 Apr 01 TA - Canadian Family Physician PG - 347--349 VI - 61 IP - 4 4099 - http://www.cfp.ca/content/61/4/347.short 4100 - http://www.cfp.ca/content/61/4/347.full SO - Can Fam Physician2015 Apr 01; 61