Nanopublications LDF server

Nanopublications

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Matches in Nanopublications for { ?s ?p "[Purified protein derivative (PPD) skin tests often yield poor specificity, so that to develop new serological antigens for distinguishing between Mycobacterium tuberculosis infection and Bacille Calmette-Guerin (BCG) vaccination is a priority, especially for developing countries like China.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en ?g. }

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