The incidence of gallstones increases progressively with age.胆石症的发病率随年龄而逐渐增高.Objective To evaluate collodion - enhancing technique for thin paraffin sections of the gallstones.目的:评估火棉胶增强技术在胆囊结石切片中的应用.Gallstones are forme...
一名男青年从陡峭的岩壁上坠崖身亡。A young man plunged from a sheer rock face to his death.一位被警察拦下的摩洛哥青年拒绝出示他的证件。A young Moroccan stopped by police refused to show his papers.他们被指控组织并资助地下青年运动。They are accused of organising and financing a...