TY - RPRT TI - Flocked swab might be one main reason causing the high false-negative rate in COVID-19 screening----the advantages of a novel silicone swab AU - Zhou, J. AU - Bai, Z. AU - Liu, X. AU - Guo, Y. AU - Jiang, N. AU - Li, X. AU - Zhang, X. AU - Li, Z. AU - Li, Y. AU - Ma, Z. AU - Zhao, J. PY - 2020 DO - 10.1101/2020.03.29.014415 UR - https://www.biorxiv.org/content/10.1101/2020.03.29.014415v1 ID - 10.1101/2020.03.29.014415 ER -