Medicine & Life Sciences
Opioid Receptors
100%
Opioid Peptides
63%
kappa Opioid Receptor
48%
mu Opioid Receptor
44%
Brain
31%
Opiate Alkaloids
27%
chlornaltrexamine
24%
High Pressure Liquid Chromatography
21%
sigma Receptors
19%
Ligands
18%
Protein Conformation
17%
Phencyclidine
17%
delta Opioid Receptor
16%
Ion Exchange Chromatography
16%
Enkephalins
15%
Narcotic Antagonists
15%
Pain Perception
15%
Nerve Tissue
14%
Autoradiography
13%
Neuroblastoma
12%
Psychotic Disorders
11%
Amino Acid Sequence
11%
Analgesia
11%
Binding Sites
9%
Monoclonal Antibodies
9%
Up-Regulation
9%
Down-Regulation
8%
Membranes
7%
Cell Line
7%
Antibodies
7%
Animals
6%
Genes
5%