PT - JOURNAL ARTICLE AU - Steffan, Randy R. TI - Timed-release oxycodone DP - 2013 Jun 01 TA - Canadian Family Physician PG - 612--613 VI - 59 IP - 6 4099 - http://www.cfp.ca/content/59/6/612.4.short 4100 - http://www.cfp.ca/content/59/6/612.4.full SO - Can Fam Physician2013 Jun 01; 59