Sumerian civilizations. 15 Egypt had compelling trade323. Donald B Redford, Egypt, Canaan, and Israel in Ancientempires). (1979). James, Alan, “Egypt and her Vassals: The
Palmer, Michael Rule
increased NUA in the central grey 21 5. Changes in voltage thresholds due to placebo treatments 23 6. Changes in the voltage threshold of sciatic nerve stimulation needed to evoke increased MUA in the caudate nucleus 24 7. Changes in voltage threshold... more potent that codeine and is twenty times more concentrated in opium than is codeine (Goodman and Gilman, 1970). Opium was probably used by the Sumerians in Mesopotamia before AOOO B. C. and was mentioned in the writings of Theophrastus...