Articles
μ-Opioid and δ-Opioid Receptors Are Expressed in Brainstem Antinociceptive Circuits: Studies Using Immunocytochemistry and Retrograde Tract-Tracing
Alexander E. Kalyuzhny, Ulf Arvidsson, Wei Wu and Martin W. Wessendorf
Journal of Neuroscience 15 October 1996, 16 (20) 6490-6503; DOI: https://doi.org/10.1523/JNEUROSCI.16-20-06490.1996