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Currently, the pork industry attempts to formulate energy levels in swine diets to within a tolerance of 1.5%. This is difficult to achieve in practice when the energy content of primary ingredients fluctuates by up to 15%. This experiment was carried out to define the sources of variation in the energy content of barley and to develop a practical method to(More)
AIM To determine the rate of current major depressive disorder (MDD) among entrants to treatment for heroin dependence in three treatment modalities and a non-treatment comparison group; and to ascertain factors associated with depression. DESIGN Cross sectional structured interview. SETTING Sydney, Australia. PARTICIPANTS 615 current heroin users:(More)
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