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1. Laying hens showed a clear preference for maggots over whole grain wheat, feed pellets and other food stuffs in a preference test. 2. Motivation to work for maggots in an operant conditioning task was high and unaffected by periods of food deprivation of up to 6h before testing. 3. By extrapolation, motivation to work for maggots was equivalent to the(More)
Number of pages: 70 pages Thank you very much for reading carry on sound advice from schneier security ebook bruce. As you may know, people have look numerous times for their favorite books like this carry on sound advice from schneier security ebook bruce, but end up in harmful downloads. Rather than reading a good book with a cup of coffee in the(More)
One hundred patients, eighty-nine men and eleven women, with chronic stable angina who were previously selected for aortocoronary bypass grafting gave informed consent for non-invasive and invasive testing of hemodynamic responses to symptom-limited maximal exercise before surgery. Psychosocial coping strategies were evaluated preoperatively by structured(More)
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