Aierken WUBULI ; Naijimiding PATIGULI ; Xiaokaiti MAIDINA
Chinese Journal of Industrial Hygiene and Occupational Diseases 2013;31(9):688-689
Aged ; Aged, 80 and over ; Coal Mining ; Humans ; Male ; Middle Aged ; Pneumoconiosis ; complications ; epidemiology ; Tuberculosis, Pulmonary ; complications ; epidemiology