Method Field investigation, sample collecting and identification, combined with literature reviewing.
方法野外调查、标本采集与鉴定并结合现有文献资料。
Method 108 cases of patients with pneumonia were selected as sample, sputum collecting was conducted by low negative pressure electric collector for each patients, and analyzed by microscope.
方法对10 8例肺炎患儿采用低负压电动吸痰法，采集气管内及咽部痰液各一份，作多酶体显微镜检查。
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