RT Journal Article SR Electronic T1 Receptor Domains Regulating μ Opioid Receptor Uncoupling and Internalization: Relevance to Opioid Tolerance JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics SP 492 OP 495 DO 10.1124/mol.65.3.492 VO 65 IS 3 A1 Brian M. Cox A1 A. Tamara Crowder YR 2004 UL http://molpharm.aspetjournals.org/content/65/3/492.abstract AB