Countermeasures and Suggestions on Pharmaceutical Production of Drugs in the Market of Cold Medicine based on Ali Health online drug sales platform 2019 big dataWang Qian Ning, Su Bo, Zhang Lu, Wen Ya, Jiang Xiao Rong, Xue Yun Jie and An QiE3S Web Conf., 214 (2020) 03021DOI: https://doi.org/10.1051/e3sconf/202021403021