title: Responses to letter about exposure to toxic chemicals.
authors.forename: P L
authors.initials: PL
authors.lastname: Smith
mesh_terms: D002423:Cause of Death; D006801:Humans; D009784:Occupational Diseases / Q000401:mortality*; D014481:United States / Q000453:epidemiology; D018634:Veterinarians / Q000706:statistics & numerical data*