[Filtration masks. Function, use and limitations].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000397:Air Pollution; D002648:Child; D006801:Humans; D008168:Lung / Q000502:physiology; D008297:Male; D008397:Masks; D008875:Middle Aged; D013147:Spirometry; D013997:Time Factors
Filtermasker. Funktion, anvendelse og begraensninger.