Medicine & Life Sciences
Opioid Receptors
100%
kappa Opioid Receptor
76%
Opioid Peptides
59%
mu Opioid Receptor
41%
Opiate Alkaloids
38%
sigma Receptors
36%
Brain
29%
chlornaltrexamine
23%
Phencyclidine Receptors
20%
High Pressure Liquid Chromatography
19%
Monoclonal Antibodies
17%
Ligands
16%
Protein Conformation
16%
delta Opioid Receptor
15%
Ion Exchange Chromatography
15%
Enkephalins
14%
Narcotic Antagonists
14%
Pain Perception
14%
Nerve Tissue
13%
Affinity Chromatography
12%
Autoradiography
12%
Neuroblastoma
11%
Chromatography
11%
Psychotic Disorders
11%
Amino Acid Sequence
11%
Analgesia
11%
Microscopy
9%
Binding Sites
9%
Up-Regulation
8%
Down-Regulation
8%
Membranes
7%
Cell Line
7%
Animals
6%