James W Corpening

Ingested bovine amniotic fluid enhances morphine antinociception in rats

J. C. Doerr, M. Kristal, James W Corpening, 2000, Physiology & Behavior.

Ingested placenta blocks the effect of morphine on gut transit in Long–Evans rats

J. C. Doerr, M. Kristal, James W Corpening, 2004, Brain Research.

Research report Ingested placenta blocks the effect of morphine on gut transit in Long-Evans rats

J. C. Doerr, M. Kristal, James W Corpening, 2004 .