Sputum smear examination results, by age and sex, in selected medical college microscopy centres in India, before (July–December 2011) and after (July–December 2012) introduction of LED-FM.
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*Chi-square test; ZN = Ziehl Neelsen staining microscopy; LED-FM = Light Emitting Diode fluorescence microscopy.
创建时间：
2015-12-02
