短語詞組短語capsular r polysaccharide 莢膜多糖vi capsular polysaccharide vaccine 傷寒vi多糖菌苗capsular polysaccharide export gene 莢膜多糖輸出基因capsular polysaccharide CPS 膜多糖capsular polysaccharide depoly merase 莢膜多糖解聚糖capsular polysaccharide genes 莢膜多糖基因capsular polysaccharide export protein 莢膜多糖輸出蛋白基因pneumococcal capsular polysaccharide vaccine 球菌莢膜多糖疫苗capsular polysaccharide 2J 的莢膜多糖基因;基因 返回 capsular polysaccharide