title: Study of man during a 56-day exposure to an oxygen-helium atmosphere at 258 mm. Hg total pressure. XI. Oral, cutaneous, and aerosol bacteriologic evaluation.
mesh_terms: D000328:Adult; D000336:Aerosols; D000391:Air Microbiology; D001274:Atmospheric Pressure; D001431:Bacteriological Techniques; D018504:Ecological Systems, Closed; D006371:Helium; D006801:Humans; D008297:Male; D009055:Mouth / Q000302:isolation & purification*; D009666:Nose / Q000382:microbiology; D010100:Oxygen; D010614:Pharynx / Q000382:microbiology; D012867:Skin / Q000382:microbiology*; D013210:Staphylococcus / Q000302:isolation & purification
chemical_list: D000336:Aerosols; D006371:Helium; D010100:Oxygen