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Physiology & Behavior|September 9, 2000
Ingested bovine amniotic fluid enhances morphine antinociception in ratsJ W Corpening, J C Doerr, M B Kristal
Behavioral Neuroscience|April 1, 1987
Induction of maternal behavior in rats: effects of pseudopregnancy termination and placenta-smeared pupsM A Steuer, A C Thompson, J C Doerr, et al.
Life Sciences|January 1, 1990
Amniotic-fluid ingestion by parturient rats enhances pregnancy-mediated analgesiaM B Kristal, A C Thompson, P Abbott, et al.
Neuroscience and Biobehavioral Reviews|January 1, 1980
Placentophagia: a biobehavioral enigma (or De gustibus non disputandum est)M B Kristal
Neuroscience and Biobehavioral Reviews|January 1, 1991
Enhancement of opioid-mediated analgesia: a solution to the enigma of placentophagiaM B Kristal
Physiology & Behavior|November 1, 1991
Placental opioid-enhancing factor (POEF): generalizability of effectsP Abbott, A C Thompson, E J Ferguson, et al.
Journal of Comparative Psychology (Washington, D.C. : 1983)|June 1, 1983
Suppression of infanticide in mother ratsL C Peters, M B Kristal
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