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Narcotic Antagonists
Naltrexone
Quaternary Ammonium Compounds
Morphine
Analgesics, Opioid
Methadone
Narcotics
mu Opioid Receptors
Hydrogen
Etomidate
Gastrointestinal Transit
Gastrointestinal Motility
Double-Blind Method
Administration, Oral
Breath Tests
Injections, Intravenous
Single-Blind Method
Drug Dose Response Relationship
Constipation
Peripheral Nervous System
Co-Publications
16
14
10
8
7
4
2
1
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