全文获取类型
收费全文 | 144732篇 |
免费 | 10000篇 |
国内免费 | 492篇 |
专业分类
耳鼻咽喉 | 1862篇 |
儿科学 | 3939篇 |
妇产科学 | 2451篇 |
基础医学 | 18806篇 |
口腔科学 | 2674篇 |
临床医学 | 14693篇 |
内科学 | 30342篇 |
皮肤病学 | 2204篇 |
神经病学 | 13770篇 |
特种医学 | 4873篇 |
外国民族医学 | 7篇 |
外科学 | 20569篇 |
综合类 | 2347篇 |
现状与发展 | 1篇 |
一般理论 | 181篇 |
预防医学 | 13250篇 |
眼科学 | 3608篇 |
药学 | 10187篇 |
2篇 | |
中国医学 | 192篇 |
肿瘤学 | 9266篇 |
出版年
2023年 | 591篇 |
2022年 | 970篇 |
2021年 | 2366篇 |
2020年 | 1450篇 |
2019年 | 2358篇 |
2018年 | 2680篇 |
2017年 | 2051篇 |
2016年 | 2275篇 |
2015年 | 2786篇 |
2014年 | 3960篇 |
2013年 | 6098篇 |
2012年 | 8906篇 |
2011年 | 9484篇 |
2010年 | 5286篇 |
2009年 | 5139篇 |
2008年 | 8983篇 |
2007年 | 9671篇 |
2006年 | 9446篇 |
2005年 | 9759篇 |
2004年 | 9262篇 |
2003年 | 8934篇 |
2002年 | 8521篇 |
2001年 | 1621篇 |
2000年 | 1393篇 |
1999年 | 1703篇 |
1998年 | 1993篇 |
1997年 | 1638篇 |
1996年 | 1385篇 |
1995年 | 1341篇 |
1994年 | 1110篇 |
1993年 | 1107篇 |
1992年 | 1058篇 |
1991年 | 1010篇 |
1990年 | 965篇 |
1989年 | 912篇 |
1988年 | 835篇 |
1987年 | 787篇 |
1986年 | 817篇 |
1985年 | 892篇 |
1984年 | 1035篇 |
1983年 | 987篇 |
1982年 | 1315篇 |
1981年 | 1171篇 |
1980年 | 1070篇 |
1979年 | 657篇 |
1978年 | 717篇 |
1977年 | 654篇 |
1976年 | 550篇 |
1975年 | 507篇 |
1974年 | 475篇 |
排序方式: 共有10000条查询结果,搜索用时 9 毫秒
21.
22.
23.
24.
While once considered as incurable systemic disease, treatment options for liver metastases have increased over the last 30 years and safety has improved dramatically, such that for a selected group of patients the hope of cure can now be offered with radical treatment, and low morbidity interventions can be offered which prolong survival, even in patients with more widely disseminated disease. Advances have been made in selection and surgical technique for liver resection and several adjuncts to resection now exist in the form of portal vein embolization, thermal ablation and targeted drug or radiotherapy delivery options. A natural consequence of these developments has been the delivery of services within fewer specialist units, with the result that later complications of therapy may present to local hospitals, rather than directly to the specialist centres. This article will describe the current common liver-directed therapies and outline the presentation and management of their complications. 相似文献
25.
26.
Phantana-angkool April Voci Amy E. Warren Yancey E. Livasy Chad A. Beasley Lakesha M. Robinson Myra M. Hadzikadic-Gusic Lejla Sarantou Terry Forster Meghan R. Sarma Deba White Richard L. 《Annals of surgical oncology》2019,26(12):3874-3882
Annals of Surgical Oncology - The role of sentinel lymph node biopsy (SLNB) when ductal carcinoma in situ with microinvasion (DCISM) is identified on core biopsy is unclear. Our aim was to assess... 相似文献
27.
M. Masson Regnault J. Castañeda-Sanabria M.H.T. Diep Tran M. Beylot-Barry H. Bachelez N. Beneton O. Chosidow A. Dupuy P. Joly D. Jullien E. Mahé M.-A. Richard M. Viguier F. Tubach E. Sbidian C. Paul The PsoBioTeq Study Group 《Journal of the European Academy of Dermatology and Venereology》2020,34(2):293-300
28.
A high resolution depth attenuation product (Kdhires) was developed using MODIS 500 m and 250 m spectral bands. The Kdhires was compared with Wang’s operational Kd for the Chesapeake Bay. Minimal differences were observed between the two methods, with greatest deviation occurring in areas of high turbidity in the tributaries. After tuning the new Kdhires, the mean absolute error and bias between the two algorithms was 0.22 m?1 and 0.026 m?1, indicating good agreement. Higher spatial resolution provides for improved retrievals along the coast and into the narrow sections of the tributaries, coinciding with areas of concern to estuarine health and coastal management applications. 相似文献
29.
Modena Débora Aparecida Oliveira Miranda Ana Carolina Godoy Grecco Clovis Liebano Richard Eloin Cordeiro Raquel Cristina Tancsik Guidi Renata Michelini 《Lasers in medical science》2020,35(4):797-806
Lasers in Medical Science - Using light sources in phototherapy has presented promising results regarding several types of facial and body skin affections for centuries. The neodymium-doped yttrium... 相似文献
30.
The authors present a case of rickets in an adolescent girl who presented to the emergency department with bone pain. Emergency department staff should be aware that rickets is not just a disease of early childhood. 相似文献