TUBERCULIN TESTING, PT 1, TUBERCULINS (SPANISH)
Sign in to track this film in your collection or want list.
Shows 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