北京市房山区甲型H1N1流感抗体血清流行病学调查

崔兰梅;于海柱;项娜;李丽丽;刘晓芬

A serological epidemiological investigation of influenza A (H1N1) in Fangshan District of Beijing

. 2010, (12): 1025 -1028 .