Brain research

Organization of tyrosine hydroxylase- and serotonin-immunoreactive brainstem neurons with axon collaterals to the periaqueductal gray and the spinal cord in the rat.

Characterization of monoamine release in the lateral hypothalamus of awake, freely moving rats using in vivo microdialysis.

Characterization of monoamine release in the lateral hypothalamus of awake, freely moving rats using in vivo microdialysis.

Organization of tyrosine hydroxylase- and serotonin-immunoreactive brainstem neurons with axon collaterals to the periaqueductal gray and the spinal cord in the rat.

Morphine analgesia and acute physical dependence: rapid onset of two opposing, dose-related processes.

Intracerebroventricular naloxone produces a dose-dependent, monotonic increase in nociceptive threshold in the rat.

Kappa- and delta-opioid agonists synergize to produce potent analgesia.

Deafferentation in the rat increases mechanical nociceptive threshold in the innervated limbs.

Deafferentation in the rat increases mechanical nociceptive threshold in the innervated limbs.

Substance P immunoreactive astrocytes are present in multiple sclerosis plaques.

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