SilicosisCollagenSilicon DioxideMiningSilicotuberculosisCollagen Type IQuartzDustOccupational ExposureFibrillar CollagensCollagen Type IVCollagen Type IIIGoldReceptors, CollagenCollagen Type IICoal MiningHydroxyprolineOccupational DiseasesMaximum Allowable ConcentrationCollagen Type VIPneumoconiosisCollagen Type VUnited States Occupational Safety and Health AdministrationNew JerseyLungUraniumTinCollagen DiseasesSculptureExtraction and Processing IndustryPulmonary Fibrosis