目的: 观察MEBO治疗烧伤植皮术后残余创面疗效.Objective : To observe the efficacy of MEBO in treating residual wounds after skin grafting.目的: 研究用泪囊鼻腔造口植皮术重建泪道,以治疗慢性泪囊炎.Objective: To treat chronic dacryocystitis by rebuild the lacrimal passag...
Several other conifers produce small male catkins.其它几种针叶树产生小雄花序.Firs,spruces and pines are conifers.冷杉、云杉和松树都是针叶树。Sarvas discusses the nature of the " lethal load " in conifers.萨维斯 讨论了针叶树的致死的基因性质.The xylem of ferns and c...