TUBERCULIN TESTING, PT 1, TUBERCULINS (SPANISH)
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✎ Suggest a correctionShows briefly the procedures involved in the preparations of purified protein derivatives and in particular the preparation of PPD-S used in tuberculin testing.
Sources
- usgov-av-1974 — title, year, creator, length, color, sound, description
Record added 2026-07-02 18:37:16 · Suggest a correction