BACKGROUND The traditional radial approach(RA)is recommended as the standard method for coronary angiography(CAG),while ......

This study determined the concentrations and inhalation bioaccessibility of cadmium, chromium, nickel and zinc in some f......

烟草为美洲作物,新航路开辟之后,于明嘉靖-万历年间传入中国。西藏最早在18世纪初期,已有烟草传入的记载。西藏烟草产出虽然甚少,......

在世界控烟越来越严峻的形势下,各国烟草生产者把口含型烟草制品或卷烟替代品的研究和开发作为发展的重要目标和竞争点。我国的口......

<strong>Background and Objectives:</strong> All over the world, cardiovascular risks constitute a heavy healthcare burde......

Introduction: Tobacco and marijuana use is a public health challenge all over the world and especially in Sub Saharan Af......

THE snuft bottle came toChina from Italy,but once itwas in China, it was turnedinto an exquisite object of art.The Itali......