方法: 采取凝胶过滤方法分别提纯上述花粉变应原.METHODS: The pollen allergens were purified by gelatin filtration.目的从樟树花粉中克隆泛变应原基因.Objective To clone new panallergen genes from pollen Cinnamomum camphora.观察125例变态反应性鼻炎变应原鼻内激发试验前后鼻阻力变化.Allergen n...
She’s just gone off the boil, as they say in the midwifery traded.按产科学的说法，她第一次阵痛停止了。Thank God, Prissy knew all about midwifery.感谢上帝, 百里茜懂得接生的全过程.She knew less than nothing of midwifery.对于接生的事她可一窃不通.Prissy knew all about ...
The enemy were withdrawing as our army moved forward.我军向前推进,敌人正在后退.The Red Cross said it is withdrawing its staff until they receive clear signals from all sides that their presence is welcomed.红十字会称他们正在撤回所属职员，直到各方都明确表示欢...