title: Time to reconsider TLVs.
authors: L
authors: L
authors: Djerassi
mesh_terms: D001194:Asbestos; D001554:Benzene; D004781:Environmental Exposure; D006801:Humans; D007221:Industry / Q000592:standards*; D008452:Maximum Allowable Concentration; D008742:Methyl n-Butyl Ketone; D009784:Occupational Diseases / Q000517:prevention & control*; D013458:Sulfur Dioxide
chemical_list: D013458:Sulfur Dioxide; D001194:Asbestos; D008742:Methyl n-Butyl Ketone; D001554:Benzene; C005458:methyl isobutyl ketone