title: ADA challenges OSHA standard.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control; D000571:American Dental Association; D003797:Dental Staff / Q000331:legislation & jurisprudence*; D006509:Hepatitis B / Q000517:prevention & control; D006801:Humans; D017053:Infection Control / Q000191:economics / Q000331:legislation & jurisprudence*; D014481:United States; D014489:United States Occupational Safety and Health Administration; D016635:Universal Precautions / Q000331:legislation & jurisprudence