海量图书期刊资源，随时随地畅享阅读乐趣
The proliferating cell nuclear antigen (PCNA) index correlates with the grade of cytologic atypia in well-differentiated early adenocarcinomas of the large intestineSeigo Maeo; Yoichi Ajioka; Hidenobu Watanabe; Masaaki Kobayashi; Michio Kobayashi · 1995