title: Biological variability of particle deposition in the human respiratory tract during controlled and spontaneous mouth-breathing.
mesh_terms: D000328:Adult; D000336:Aerosols; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012119:Respiration; D012143:Respiratory Physiological Phenomena
chemical_list: D000336:Aerosols