title: [Research Progress of occupational exposure limits of silica dust].
authors: Yi
authors: Y
authors: Lu
authors: E-mail: jiananhu@csu.edu.cn.
authors: Jianan
authors: J
authors: Hu
mesh_terms: D004391:Dust; D006801:Humans; D008452:Maximum Allowable Concentration; D016273:Occupational Exposure / Q000009:adverse effects*; D058028:Research Report; D012822:Silicon Dioxide / Q000633:toxicity*
chemical_list: D004391:Dust; D012822:Silicon Dioxide