purified protein derivative of tuberculin
pu·ri·fied pro·tein de·riv·a·tive of tu·ber·cu·lin (PPD),
purified tuberculin containing the active protein fraction; the tuberculin from which it is prepared differs from tuberculin (1) chiefly in that the bacteria are grown in a synthetic rather than in a broth medium.
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Patient discussion about purified protein derivative of tuberculin
Q. What exactly is PPD? I heard it is a substance in hair color and that some women are allergic to it How can I know if I’m allergic to it?
A. That sounds nasty... so how can I know if i'm allergic to it or not?More discussions about purified protein derivative of tuberculin
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