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1904, in the meaning defined above
borrowed from German Agglutinogen, from Agglutinine agglutinin + -o- -o- + -gen -gen
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“Agglutinogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/agglutinogen. Accessed 22 Sep. 2020.
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