4:
Subcutaneous methylnaltrexone for the treatment of opioid-induced constipation in patients with advanced illness: a double-blind, randomized, parallel group, dose-ranging study.
Portenoy RK, Thomas J, Moehl Boatwright ML, Tran D, Galasso FL, Stambler N, Von Gunten CF, Israel RJ.
J Pain Symptom Manage. 2008 May;35(5):458-68.
PMID: 18440447 [PubMed - indexed for MEDLINE]
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