title: Re: "Lung cancer among industrial sand workers exposed to crystalline silica".
authors.forename: E D
authors.initials: ED
authors.lastname: Weinberg
mesh_terms: D015331:Cohort Studies; D007501:Iron / Q000009:adverse effects*; D008175:Lung Neoplasms / Q000453:epidemiology* / Q000401:mortality; D008906:Mining; D016273:Occupational Exposure; D012822:Silicon Dioxide / Q000009:adverse effects*; D014481:United States / Q000453:epidemiology
chemical_list: D012822:Silicon Dioxide; D007501:Iron