title: Letters to the editor. Correction to "head and face anthropometric survey Of U.S. respirator users".
authors.forename: Ziqing
authors.initials: Z
authors.lastname: Zhuang
authors.forename: Ronald
authors.initials: R
authors.lastname: Shaffer
authors.forename: Douglas
authors.initials: D
authors.lastname: Landsittel
authors.forename: Bruce
authors.initials: B
authors.lastname: Bradtmiller
mesh_terms: D000328:Adult; D002508:Cephalometry; D003627:Data Interpretation, Statistical; D005145:Face / Q000033:anatomy & histology; D005260:Female; D006257:Head / Q000033:anatomy & histology; D006801:Humans; D008297:Male; D012016:Reference Values; D012134:Respiratory Protective Devices