Placenta ingestion by rats enhances δ- and κ-opioid antinociception, but suppresses μ-opioid antinociception

Nonparametric Statistics for the Behavioral Sciences.

J. W. Whitfield, Sidney Siegel · Journal of the Royal Statistical Society Series A (General) · 1957 · 8K citations

Natural Sciences, Behavioral Sciences, Biostatistics +13

A stereotaxic atlas of the rat brain

Per Brodal · Neuroscience · 1980 · 2.8K citations

Medicine, Anatomy, Neuroscience +11

Loss of morphine-induced analgesia, reward effect and withdrawal symptoms in mice lacking the µ-opioid-receptor gene

Hans W. D. Matthes, Rafaël Maldonado, Frédéric Simonin et al. · Nature · 1996 · 1.7K citations

Medicine, Neuroscience, Pharmacology +17

THE EVALUATION OF THE ANALGESIC ACTION OF PETHIDINE HYDROCHLORIDE (DEMEROL)

G. Woolfe, Alex MacDonald · Journal of Pharmacology and Experimental Therapeutics · 1944 · 1K citations

Medicine, Medicinal Chemistry, Pharmacology +13

Mu, delta, and kappa opioid receptor mRNA expression in the rat CNS: An in situ hybridization study

Alfred Mansour, Charles A. Fox, Sharon Burke et al. · The Journal of Comparative Neurology · 1994 · 868 citations · Full text

Life Sciences, Neurobiology, Neuroscience +9