prevalence offsets such gains as have been made. About 95% of bladder tumors are of epithelial origin, the remainder being mesenchymal tumors (Table 21-2). Most epithelial tumors are composed of urothelial (transitional) type cells and are thus interchangeably called urothelial or transitional tumors, but squamous and glandular carcinomas also occur. Here, we discuss the urothelial cell tumors in
I. 서론
1. EBM(Evidence Based Medicine, Dentistry)
EBM은 ‘환자의 문제에 대해 결정을 내릴 때 세심하고 주의 깊게 최신의 의학지식을 적용하는 것이며, 개인의 임상경험과 체계화된 연구에서 얻어진 임상적인 근거들 중에서 최선의 것을 통합하여 개개인의 환자에 적용하는 것’ 이라고 정의된다. 이 정의 중
English literature, literature written in English since c.1450 by the inhabitants of the British Isles; it was during the 15th cent. that the English language acquired much of its modern form. For the literature of previous linguistic periods, see the articles on Anglo-Saxon literature and Middle English literature (see also Anglo-Norman literature).
For literature written by English speakers els