全文获取类型
收费全文 | 11991篇 |
免费 | 675篇 |
国内免费 | 45篇 |
专业分类
耳鼻咽喉 | 67篇 |
儿科学 | 203篇 |
妇产科学 | 213篇 |
基础医学 | 1432篇 |
口腔科学 | 281篇 |
临床医学 | 1003篇 |
内科学 | 2804篇 |
皮肤病学 | 169篇 |
神经病学 | 850篇 |
特种医学 | 527篇 |
外科学 | 2211篇 |
综合类 | 39篇 |
一般理论 | 3篇 |
预防医学 | 306篇 |
眼科学 | 161篇 |
药学 | 968篇 |
中国医学 | 22篇 |
肿瘤学 | 1452篇 |
出版年
2023年 | 56篇 |
2022年 | 52篇 |
2021年 | 163篇 |
2020年 | 133篇 |
2019年 | 156篇 |
2018年 | 194篇 |
2017年 | 178篇 |
2016年 | 220篇 |
2015年 | 209篇 |
2014年 | 271篇 |
2013年 | 390篇 |
2012年 | 541篇 |
2011年 | 634篇 |
2010年 | 323篇 |
2009年 | 298篇 |
2008年 | 570篇 |
2007年 | 569篇 |
2006年 | 565篇 |
2005年 | 540篇 |
2004年 | 615篇 |
2003年 | 576篇 |
2002年 | 551篇 |
2001年 | 456篇 |
2000年 | 452篇 |
1999年 | 443篇 |
1998年 | 149篇 |
1997年 | 112篇 |
1996年 | 104篇 |
1995年 | 104篇 |
1994年 | 84篇 |
1993年 | 57篇 |
1992年 | 254篇 |
1991年 | 204篇 |
1990年 | 225篇 |
1989年 | 269篇 |
1988年 | 257篇 |
1987年 | 243篇 |
1986年 | 214篇 |
1985年 | 221篇 |
1984年 | 125篇 |
1983年 | 115篇 |
1982年 | 53篇 |
1979年 | 105篇 |
1978年 | 67篇 |
1977年 | 47篇 |
1974年 | 42篇 |
1972年 | 51篇 |
1971年 | 53篇 |
1970年 | 48篇 |
1969年 | 58篇 |
排序方式: 共有10000条查询结果,搜索用时 47 毫秒
1.
Masui Sho Yonezawa Atsushi Yokoyama Kotoko Iwamoto Noriko Shimada Takashi Onishi Akira Onizawa Hideo Fujii Takayuki Murakami Kosaku Murata Koichi Tanaka Masao Nakagawa Shunsaku Hira Daiki Itohara Kotaro Imai Satoshi Nakagawa Takayuki Hayakari Makoto Matsuda Shuichi Morinobu Akio Terada Tomohiro Matsubara Kazuo 《Pharmaceutical research》2022,39(10):2541-2554
Pharmaceutical Research - Biologics are structurally heterogeneous and can undergo biotransformation in the body. Etanercept (ETN) is a fusion protein composed of a soluble tumor necrosis factor... 相似文献
2.
3.
4.
Kurumi Tsuruta Tomoko Shiomitsu Amy Hombu Yoshinori Fujii 《Nursing & health sciences》2019,21(2):245-252
The influence of social capital on happiness is attracting attention around the world. Many studies that investigated the relationship between social capital and happiness suggest that happiness correlates to a positive social environment. The aim of this study was to examine the relationship between social capital and happiness in a community with the lowest National Health Insurance expenditures in Miyazaki Prefecture (Japan). This cross‐sectional study targeted 2730 residents in the community aged 40–75 years who were covered by National Health Insurance in 2015. A self‐administered questionnaire consisting of questions focusing on demographic characteristics, happiness, and social capital was sent to the residents, and 1106 of them (40.5%) returned the questionnaires by the deadline. The analysis of responses indicated a positive relationship between social capital and happiness with regard to all three factors of social capital (trust, connections and interaction, and social participation). Evaluating the relationship between social capital and health in terms of happiness is important to creating a lively society in which citizens support one another, in addition to promoting physical and mental well‐being. 相似文献
5.
6.
7.
Michio Inoue Shumpei Uchino Aritoshi Iida Satoru Noguchi Shinichiro Hayashi Tsutomu Takahashi Katsunori Fujii Hirofumi Komaki Eri Takeshita Ikuya Nonaka Yukinori Okada Takuya Yoshizawa Leentje Van Lommel Frans Schuit Yu‐ichi Goto Masakazu Mimaki Ichizo Nishino 《Annals of neurology》2019,86(2):193-202
8.
Takayuki Murase Masaki Ri Tomoko Narita Keiichiro Fujii Ayako Masaki Shinsuke Iida Hiroshi Inagaki 《Cancer science》2019,110(8):2600-2606
The t(11;14)/CCND1‐IGH, t(4;14)/NSD2(MMSET)‐IGH, and t(14;16)/IGH‐MAF gene rearrangements detected by fluorescence in situ hybridization (FISH) are used for risk stratification in patients with multiple myeloma (MM). Compared with conventional FISH techniques using fresh cells, immunohistochemistry (IHC) is much more cost‐ and time‐efficient, and can be readily applied to routinely prepared formalin‐fixed, paraffin‐embedded (FFPE) materials. In this study, we performed tissue FISH and IHC employing FFPE specimens, and examined the usefulness of IHC as a tool for detecting CCND1, NSD2, and MAF gene rearrangements. CD138 signals were used to identify plasma cells in tissue FISH and IHC analyses. With cohort 1 (n = 70), we performed tissue FISH and subsequently IHC, and determined IHC cut‐off points. In this cohort, the sensitivity and specificity for the 3 molecules were ≥.90 and ≥.96, respectively. With cohort 2, using MM cases with an unknown gene status (n = 120), we performed IHC, and the gene status was estimated using the cut‐off points determined with cohort 1. The subsequent FISH analysis showed that the sensitivity and specificity for the 3 molecules were ≥.92 and ≥.98, respectively. CCND1, NSD2, and MAF gene rearrangements were estimated accurately by IHC, suggesting that conventional FISH assays can be replaced by IHC. 相似文献
9.