Next Steps for Efficacy Evaluation in Clinical Trials of COVID-19 Vaccines Published on 2021-07-012022-10-05 Journal: Engineering [키워드] clinical COVID-19 step [저자] Hu-Dachuan Jiang, Li Zhang, Jing-Xin Li, Feng-Cai Zhu [Category] 임상, [DOI] 10.1016/j.eng.2021.04.013 [Article Type] Correspondence [Source] Sciencedirect All Keywords 【제목키워드】 COVID-19, clinical, step,