Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IKEZAWA Yoshio and MURATA Mikio and YOSIDA Yoshikazu,Leakage Test of the Worn Respirators by Sodium-Chloride Particles,Japanese Journal of Health Physics,0367-6110,Japan Health Physics Society,1976,11,1,45-50,https://cir.nii.ac.jp/crid/1390282679266469632,https://doi.org/10.5453/jhps.11.45