Yang, S.S.YangLee, G.W.M.G.W.M.LeeChen, C.-M.C.-M.ChenWu, C.-C.C.-C.WuYu, K.-P.K.-P.YuWHEI-MAY LEE2018-09-102018-09-102007http://www.scopus.com/inward/record.url?eid=2-s2.0-37548999747&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/330058The size and concentration of droplets generated by coughing in human subjectsjournal article10.1089/jam.2007.0610