
北京地区急性呼吸道感染病例肺炎支原体流行病学特征研究及其对策
李晖
北京地区急性呼吸道感染病例肺炎支原体流行病学特征研究及其对策
Study on Epidemic Characteristics of M.Pneumonia in Patients with Acute Respiratory Tract Infection in Beijing Area and Its Countermeasures
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