Character of terminal illness in the advanced cancer patient: Pain and other symptoms during the last four weeks of life
N. Coyle J. Adelhardt K.M. Foley Character of terminal illness in the advanced cancer patient: Pain and other symptoms during the last four weeks of life J Pain Sympt Manage 5 1990 83 89
Pharmacokinetic-pharmacodynamic relationships of methadone infusions in patients with cancer pain
C.E. Inrurrisi R.K. Portenoy M.B. Max Pharmacokinetic-pharmacodynamic relationships of methadone infusions in patients with cancer pain Clin Pharmacol Ther 47 1990 565 577
Rapid determination of methadone in plasma cerebrospinal fluid, and urine by gas chromatography and its application to routine drug monitoring
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