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  2. Rifampicin - Wikipedia

    en.wikipedia.org/wiki/Rifampicin

    In August 2020, the U.S. Food and Drug Administration (FDA) became aware of nitrosamine impurities in certain samples of rifampin. [61] The FDA and manufacturers are investigating the origin of these impurities in rifampin, and the agency is developing testing methods for regulators and industry to detect the 1-methyl-4-nitrosopiperazine (MNP ...

  3. Gemstone - Wikipedia

    en.wikipedia.org/wiki/Gemstone

    A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments.

  4. Rifamycin - Wikipedia

    en.wikipedia.org/wiki/Rifamycin

    Rifampin rapidly kills fast-dividing bacilli strains as well as "persisters" cells, which remain biologically inactive for long periods of time that allow them to evade antibiotic activity. [7] In addition, rifabutin and rifapentine have both been used against tuberculosis acquired in HIV-positive patients.

  5. Precious stones - Wikipedia

    en.wikipedia.org/?title=Precious_stones&redirect=no

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  6. National Treasure (Vietnam) - Wikipedia

    en.wikipedia.org/wiki/National_Treasure_(Vietnam)

    Hoang Ha bronze drum of Đông Sơn Culture (national treasure no. 2 – set 1). A National Treasure (Vietnamese: Bảo vật quốc gia) or a national precious object [1] is a tangible cultural heritage or object handed down from the past with historical, cultural or scientific value of exceptional significance to the country of Vietnam. [2]

  7. Precious stone (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Precious_Stone...

    A precious stone is another term for a gemstone. Precious Stone or Precious Stones may also refer to: Precious Stone, a fictional character in the James Bond story Hurricane Gold; Precious Stone (religious group), an African-initiated church; Precious Stones, a 1918 German silent drama film

  8. List of individual gemstones - Wikipedia

    en.wikipedia.org/wiki/List_of_individual_gemstones

    Emerald of Saint Louis, [5] 51.60 carats cut; discovered in Austria, probably Habachtal, resides in the National Museum of Natural History, Paris; Gachalá Emerald [6] Mogul Mughal Emerald, 217.80 carats cut; mined in Colombia and cut in the Mughal empire in Hijri year 1107 (1695–1696), resides in the Museum of Islamic Art, Doha, Qatar [7] [8]

  9. Traditional Vietnamese medicine - Wikipedia

    en.wikipedia.org/wiki/Traditional_Vietnamese...

    Traditional Vietnamese medicine (Y học Cổ truyền Việt Nam), also known as Southern Herbology (Thuốc Nam) is a traditional medicine practiced by Vietnamese people. It is influenced by traditional Chinese medicine.