从历史学的材料看,上海奉贤县金汇镇的居民主要是南方土著居民,头桥镇的居民主要是从北方迁徙过来的.二地方言有很明显的差异.对金......

AIM To determine factors independently influencing response to ingenol mebutate therapy and assess efficacy on clinical ......

The oyster disease Dermo(Perkinsus marinus)affects the viability of oyster reefs of Galveston Bay,Texas.Documenting the ......