METHOD 186 smear negative TB patients from 4 provinces were visited at home with questionnaires.
方法对辽宁、河南、福建和新疆等4个省共186名涂阴肺结核病人采用问卷式入户调查。
参考来源 - 涂阴肺结核病诊断水平对病人经济负担影响研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective To study the artificial neural network in the diagnosis of the smear negative pulmonary tuberculosis.
目的研究人工神经网络在涂阴肺结核诊断中的应用。
OBJECTIVE To explore the influence of clinical diagnosis level on medical treatment expense of smear negative TB patients.
目的探讨医务人员的诊断水平对涂阴肺结核病人诊治医疗费用的影响。
Objective: To analyze the difference characteristics of X-ray findings in active pulmonary tuberculosis with smear positive and smear negative.
目的：分析活动性肺结核有关X线征象的特征。
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