TY - RPRT TI - Engineered human mesenchymal stem cells as new vaccine platform for COVID-19 AU - Liu, J. AU - Jiao, H. AU - Yin, X. PY - 2020 DO - 10.1101/2020.06.20.163030 UR - https://www.biorxiv.org/content/10.1101/2020.06.20.163030v1 ID - 10.1101/2020.06.20.163030 ER -