title: Design for positive pressure respirators.
mesh_terms: D000392:Air Movements; D000403:Airway Resistance; D001698:Biomedical Engineering; D004865:Equipment and Supplies, Hospital; D008168:Lung / Q000502:physiology*; D008433:Mathematics; D008954:Models, Biological; D011175:Positive-Pressure Respiration; D012126:Respiratory Dead Space