The antinociceptive effect of vaginal stimulation in the rat is reduced by naloxone

The inhibitory effect of fentanyl and other morphine-like analgesics on the warm water induced tail withdrawl reflex in rats.

1963 • 537 citations

A CLASSIFICATION OF OPIATE RECEPTORS THAT MEDIATE ANTINOCICEPTION IN ANIMALS

1980 • 346 citations

Neuropeptides and neural transmission

1980 • 252 citations

Antinociceptive effects of vaginal stimulation in rats: Neurophysiological and behavioral studies

1977 • 134 citations

Analgesia induced by vaginal stimulation in rats is apparently independent of a morphine-sensitive process

1977 • 75 citations

The status of naloxone in the identification of pain control mechanisms operated by endogenous opioids

1981 • 73 citations

Monoaminergic mediation of the antinociceptive effect of vaginal stimulation in rats

1977 • 70 citations