What proportion of ethically approved randomised clinical trials can be found in a trial registry?Benjamin Speich,Dmitry Gryaznov,Viktoria Gloy,Kimberly A. McCord,Arnav Agarwal,Benjamin Kasenda,Matthias BrielTRIALS(2019)引用 0|浏览0暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要