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Analgesia Produced by Vasoactive Intestinal Peptide Administered Directly to the Spinal Cord in Rats a

B. Komisaruk, B. Whipple, F. Jordan, 1988 .

Placenta ingestion enhances analgesia produced by vaginal/cervical stimulation in rats

B. Komisaruk, A. C. Thompson, S. Heller, 1986, Physiology & Behavior.