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Comparison of RT 23 and Local Tuberculin (PPD) Produced by Razi Institute
To Comparison between the local tuberculin produced by Razi institute and RT23, 86 people were participated. They were confirrned tuberculosis patients and apparent healthy students that randomly divided in two groups. For the first group the local tuberculin and RT23 respectively injected to right and left hand simultaneously and for the second group the reverse was done. To compare the agreement of two PPO in different tuberculosis prevalence, which has practical importance, results simulatedfatcat:gmb2v3bshbd3rprdraelyfzmwe