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PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...
In medicine, a nasopharyngeal airway (NPA), nasal trumpet (because of its flared end), or nose hose, is a type of airway adjunct, a tube that is designed to be inserted through the nasal passage down into the posterior pharynx to secure an open airway. It was introduced by Hans Karl Wendl in 1958. [1]
In information retrieval, an index term (also known as subject term, subject heading, descriptor, or keyword) is a term that captures the essence of the topic of a document. Index terms make up a controlled vocabulary for use in bibliographic records .
3-Nitropropionic acid (3-NPA) is a mycotoxin, a potent mitochondrial inhibitor, [1] which is toxic to humans. It is produced by a number of fungi, and may be found widely in food such as in sugar cane as well as Japanese fungally fermented staples, including miso, soy sauce, katsuobushi, [2] coconuts [3] and some traditional Chinese medicines.
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