About HASEGAWA K
About CHIBA N
About KOBAYASHI R
About MURAYAMA SY
About IWATA S
About SUNAKAWA K
About UBUKATA M
About ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
About ベータ-ラクタマーゼ
About 産出
About 普及
About 髄膜炎
About 患者
About アンピシリン耐性
About インフルエンザ菌
About タイプ