Comparative analysis of the diagnostic value of smear negative pulmonary #br# tuberculosis in different age groups by two methods
LI Yu-jing1, WU Hai-feng1, SUN Zhi-ping1, MA Jing-hua2, WANG Liang3, LV Cui-huan1*
Journal of Hebei Medical University . 2016, (6): 690 -692 .  DOI: 10.3969/j.issn.1007-3205.2016.06.019