对任何一个社会秩序的维系来说 ,运用法律规范的手段对社会成员实施强制作用和强调社会成员的道德自觉都是必不可少的。规范的存在......

戴复古是南宋江湖诗派最具代表性的布衣诗人,生前作诗二千余首,在南宋诗坛,可谓诗歌创作数量较多的一位。但就散文创作而言,则所见......

Hy<span><span style="font-family:Verdana;">pothesis: Vitamin D has been considered to play important roles in maintainin......

Background: Acquired immune deficiency syndrome (AIDS) is believed to be both among major epidemics and a critical globa......

Introduction: Optimal calcium and vitamin D intake is important components of the treatment of osteoporosis. The nationa......