Ineffectiveness of Surgical Mask in Preventing Transmission of COVID-19 from Index Hospitalization to Health Care WorkerMuhammad Gul, Monica Sharma,Sarthak Soin,Ahmad Khan, James Sullivansemanticscholar（2020）引用 0|浏览3AI 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
