| Hans-Günter Meyer-Thompson | International
Kanada. The Use of Opioids in the management of Opioid Dependence
Health Canada, 1992; ISBN: 0-662-59256-5; Cat. No.: H42-2/57-1992
http://www.hc-sc.gc.ca/hc-ps/pubs/precurs/opi-treat-trait/index-eng.php