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Rats
Mouse
Guinea Pigs
Inbred Strains Rats
Sprague Dawley Rats
Dynorphins
Endorphins
Naloxone
Enkephalin, Methionine
Enkephalins
Opioid Peptides
beta Endorphin
Receptors, Opioid
mu Opioid Receptors
Receptors, sigma
RNA, Messenger
Ligands
Receptors, Muscarinic
Structure-Activity Relationship
Radioligand Assay
Co-Publications
22
16
15
13
12
11
10
9
8
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