Opportunities and challenges in using studies without a control group in comparative effectiveness reviews: Single group studies in comparative effectiveness reviewsJessica K Paulus,Issa J Dahabreh,Ethan M Balk,Esther E Avendano,Joseph Lau,Stanley IpResearch Synthesis Methods（2014）引用 24|浏览15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
