[Electrostatic filter in the treatment of bronchial asthma].
D000328:Adult; D000397:Air Pollution / Q000517:prevention & control*; D001249:Asthma / Q000517:prevention & control*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005069:Evaluation Studies as Topic; D005260:Female; D005374:Filtration / Q000295:instrumentation*; D006801:Humans; D008297:Male; D008875:Middle Aged
Elektrostatisk filter i behandling af asthma bronchiale.