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An instrument used to record variations of several different body pulsations. The courts have not as yet agreed that the scientific principles of the polygraph - commonly called the lie detector - has crossed the line between the experimental and the

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1. An instrument used to record variations of several different body pulsations. The courts have not as yet agreed that the scientific principles of the polygraph - commonly called the lie detector - has crossed the line between the experimental and the





 
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