Objective : To explore the clinicopathological, immunohistochemical feature and therapeutic methods of hyperkeratosis lenticularis perstans.目的: 提高对持久性豆状角化过度症的认识,探讨其临床、病理 、 免疫组化特征及治疗方法....
Grassland A major world plant community ( biome ) dominated by grasses ( Poaceae ).草原:以禾本科草类 ( 禾本科 ) 为优势物种的植物群落 ( 生物群系 ).The Spectacled Bear also lives in this biome.有眼睛状花纹的熊也居住在这里.The role of Boreal forest biome in clim...