Medical College;
Anhui University of Science & Technology;
Department of Mining Engineering;
Huainan Vocational & Technical College;
Hospital Rehabilitation Service;
Affiliated Hospital of Bengbu Medical College;
pneumoconiosis; tuberculosis; M.; tuberculosis; L-form; drug-resistance; rpoB; polymerase; chain; reaction; and; single-strand; conformation; polymorphism; antimicrobial; susceptibility; test;