METHODS:The cephalosporin abroad was analyzed in aspects of general sales situation,products structure,research and development,and the manufacture situation.

 
  • 方法 :對國外頭孢菌素的銷(xiāo)售、產(chǎn)品結構、研發(fā)及生產(chǎn)狀況進(jìn)行分析。
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