WuKL, ThompsonVH, StrandJS: Drug-Drug Interactions between Methadone and Apixaban. J Palliat Med, 2017; 20:444.
2.
LatugaNM, WahlerRG: Very-high-dose methadone with minimal toxicity and inadequate pain control in a hospice patient with cancer. J Pain Palliat Care Pharmacother, 2013; 27:143–149.
3.
WeschulesDJ, BainKT: A systematic review of opioid conversion ratios used with methadone for the treatment of pain. Pain Med, 2008; 9:595–612.
4.
HornJ, HanstenP, ChanL: Proposal for a new tool to evaluate drug interaction cases. Ann Pharmacother, 2007; 41:674–680.