Classification of RxNorm and RxNorm Extension Vaccine-related Terms in the Vaccine Ontology

Authors: Jie Zheng, Xingxian Li, Ellen Zhang, Warren Manuel, Rashmie Abeysinghe, Joy Hu, Yuping Zheng, Taiyu Lin, Katelyn Hur, Anna He, Yang Qi, Alexander Davydov, Anna Ostropolets, Anna Maria Masci, Junguk Hur, Licong Cui, Barry Smith, Yongqun He

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