WAN-CHEN LEECatalano P.J.Yoo J.Y.Park C.J.Koutrakis P.2019-07-242019-07-2420150013936Xhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84939632980&doi=10.1021%2facs.est.5b03126&partnerID=40&md5=c9e5156d1f91275520703b0c074fea72https://scholars.lib.ntu.edu.tw/handle/123456789/414662Validation and Application of the Mass Balance Model To Determine the Effectiveness of Portable Air Purifiers in Removing Ultrafine and Submicrometer Particles in an Apartmentjournal article10.1021/acs.est.5b03126262073862-s2.0-84939632980