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Trends for DR TB and MDR TB among children with primary cases of TB, Shandong Province, China, 2006–2015. The χ2 and linear regression results are shown in Table 3. DR TB, drug-resistant TB; EMB, ethambutol; INH, isoniazid; MDR, multidrug-resistant; RIF, rifampin; SM, streptomycin; TB, tuberculosis.
