全文获取类型
收费全文 | 243篇 |
免费 | 11篇 |
国内免费 | 1篇 |
专业分类
耳鼻咽喉 | 7篇 |
儿科学 | 7篇 |
妇产科学 | 4篇 |
基础医学 | 43篇 |
口腔科学 | 7篇 |
临床医学 | 16篇 |
内科学 | 46篇 |
皮肤病学 | 5篇 |
神经病学 | 10篇 |
特种医学 | 45篇 |
外科学 | 16篇 |
综合类 | 7篇 |
预防医学 | 20篇 |
眼科学 | 2篇 |
药学 | 6篇 |
1篇 | |
肿瘤学 | 13篇 |
出版年
2022年 | 3篇 |
2021年 | 5篇 |
2020年 | 1篇 |
2019年 | 2篇 |
2018年 | 6篇 |
2017年 | 6篇 |
2016年 | 3篇 |
2015年 | 6篇 |
2014年 | 8篇 |
2013年 | 16篇 |
2012年 | 7篇 |
2011年 | 11篇 |
2010年 | 10篇 |
2009年 | 11篇 |
2008年 | 11篇 |
2007年 | 8篇 |
2006年 | 4篇 |
2005年 | 7篇 |
2004年 | 12篇 |
2003年 | 4篇 |
2002年 | 4篇 |
2001年 | 5篇 |
2000年 | 1篇 |
1999年 | 6篇 |
1998年 | 15篇 |
1997年 | 5篇 |
1996年 | 10篇 |
1995年 | 3篇 |
1994年 | 8篇 |
1993年 | 10篇 |
1991年 | 1篇 |
1990年 | 5篇 |
1989年 | 4篇 |
1988年 | 5篇 |
1987年 | 4篇 |
1986年 | 7篇 |
1985年 | 5篇 |
1984年 | 1篇 |
1983年 | 3篇 |
1982年 | 1篇 |
1981年 | 1篇 |
1980年 | 2篇 |
1979年 | 1篇 |
1978年 | 4篇 |
1977年 | 1篇 |
1976年 | 2篇 |
排序方式: 共有255条查询结果,搜索用时 0 毫秒
251.
252.
Expression of vascular endothelial growth factor-C and its receptor in invasive micropapillary carcinoma of the breast 总被引:15,自引:0,他引:15
Invasion to lymphatic vessels and metastasis to lymph nodes are frequent complications in invasive micropapillary carcinoma (IMPC) of human breast cancer. Vascular endothelial growth factor-C (VEGF-C) and its receptor, VEGFR-3 have been implicated as the important factors in the formation of lymphatic vessels and recent experimental evidence strongly suggests that lymphangiogenesis in tumor promotes lymphatic metastasis. To clarify the mechanism of its occurrence, the expression of VEGF-C, VEGFR-3 and lymphatic vessel density (LVD) was examined in 40 cases of IMPC (pure and mixed type) and in 40 cases of pseudo-IMPC. Cytoplasmic expression of VEGF-C and VEGFR-3 were more frequent in tumor cells of IMPC compared to those of pseudo-IMPC. A significant positive correlation was found between the expression of VEGF-C and VEGFR-3 in both IMPC and pseudo-IMPC. The expression of VEGF-C was also significantly associated with higher peritumoral LVD, lymphatic invasion and number of lymph node metastasis in IMPC. These findings suggest that VEGF-C promotes the proliferation of peritumoral lymphatic vessels and that lymphatic invasion and metastasis to lymph nodes are frequently induced in IMPC of breast. 相似文献
253.
254.
Anju Shrestha Hari Dhakal Sirish Raj Pandey Kapendra Shekhar Amatya Sudip Shrestha Prakash Nidhi Tiwari Srijana lama 《Clinical Case Reports》2022,10(5)
We present two cases of 10 and 27 years old girls with recurrence of immature teratoma after an incomplete surgical staging. In both cases, there were huge abdominopelvic masses despite decrease in tumor markers with chemotherapy. Complete surgical resection of these masses was done, and histopathology showed only mature teratoma. 相似文献
255.
Vinayak Aryal Moushami Singh Karun Neupane Adwait Marhatta Kapendra S. Amatya Hari P. Dhakal 《Clinical Case Reports》2022,10(8)
Primary invasive breast carcinoma with neuroendocrine differentiation is an uncommon presentation. We hereby report a case diagnosed as invasive ductal carcinoma with neuroendocrine differentiation in a 52‐year‐old female patient who presented with a painless right breast lump. 相似文献