Comparison of diagnostic yield of direct smear microscopy and Xpert MTB/RIF using culture as reference standard.
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Patients with clinically diagnosed TB (without bacteriological confirmation) and patients with positive results on lymph node aspirates (but without positive results in sputum) excluded.Contaminated culture samples were excluded.*A total of 702 study participants submitted two sputum samples and 110 submitted only one sample.
创建时间：
2015-12-02
