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speciesnonspecific |
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| navigate by keyword : abbreviation acronym bacillus concept control culture definition derivative diagnosis disease education endorsed extract form glycerol heaf health learn mantoux medical medicine molecule multiplepuncture note notepad phrase pirquet ppd prevention protein purified replace screening sensitivity skin speciesnonspecific teaching term test text tine tool tuberculin tuberculosis word world |
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| PPD - Purified Protein Derivative acronym, medical concept background |
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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