[Anesthesia lasting more than six hours : statistical analyses and problems of waste anesthetic gases (author's transl)].
D000393:Air Pollutants / Q000032:analysis*; D000395:Air Pollutants, Occupational / Q000032:analysis*; D000758:Anesthesia; D005740:Gases / Q000032:analysis; D006801:Humans; D008452:Maximum Allowable Concentration; D009873:Operating Rooms; D013997:Time Factors
D000393:Air Pollutants; D000395:Air Pollutants, Occupational; D005740:Gases