biostudies-literatureUnknown21(1)Ye QChu-Tse Wu Foundation for Science and TechnologyTrials520https://www.ebi.ac.uk/biostudies/studies/S-EPMC7290137biostudies-literatureSafety and efficacy assessment of allogeneic human dental pulp stem cells to treat patients with severe COVID-19: structured summary of a study protocol for a randomized controlled trial (Phase I / II).PMC7290137Xia XXia ZEWu BWang HWu CTYehenala JZhao YLiu ZYe QHe YZhang ZZhou CWang SZhou GHu KfalseSafety and efficacy assessment of allogeneic human dental pulp stem cells to treat patients with severe COVID-19: structured summary of a study protocol for a randomized controlled trial (Phase I / II).2020-01-01T00:00:00Z2020 Jun2026-05-04T12:58:14.676Z2022-02-11T10:40:39.752ZS-EPMC72901373253235610.1186/s13063-020-04380-5