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Zheng, Ling, Hasan Yumak, Ling Chen, Christopher Ochs, James Geller, Joan Kapusnik-Uner, et Yehoshua Perl. "Quality Assurance of Chemical Ingredient Classification for the National Drug File – Reference Terminology." J Biomed Inform 2017.

Zheng, Ling, et al. "Quality Assurance of Chemical Ingredient Classification for the National Drug File – Reference Terminology." J Biomed Inform 2017.