1. Response of medullary raphe neurons to peripheral stimulation and to systemic opiates;Anderson;Brain Res.,1977
2. Autoradiographic localization of opiate receptors in rat brain. 1. Spinal cord and lower medulla;Atweh;Brain Res.,1977
3. Effect of a potent synthetic opioid pentapeptide in some antinociceptive and behavioural tests in mice and rats;Baxter;Br. J. Pharmac.,1977