meningococcal造句

Objective To prepare safe and valid Group A Meningococcal polysaccharide conjugate vaccine.
目的制备安全、效的A群脑膜炎球菌多糖结合疫苗.

Objective To prepare group A + C meningococcal polysaccharide conjugate vaccine.
目的研制A+群脑膜炎球菌多糖-破伤风类毒素结合疫苗.