The chromosome complement of human solid tumors. I. Gastrointestinal tumors and technic.
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Biomedical subjects
Publications and source records attributed to R CLARK.
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A technique is described for generating a continuous lever positioning response in the rhesus monkey. The effects of several drugs on this behavior were studied.
A technique is described for self-infusion of pharmacologic agents in solution through a permanently indwelling jugular catheter in the rhesus monkey. The results of an experiment utilizing this technique demonstrate that an instrumental lever response can be conditioned, extinguished, reconditioned, and brought under stimulus control and reward-schedule control with saline self-infusion as the reinforcing stimulus.
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