全文获取类型
收费全文 | 199651篇 |
免费 | 11214篇 |
国内免费 | 541篇 |
专业分类
耳鼻咽喉 | 2583篇 |
儿科学 | 6247篇 |
妇产科学 | 4346篇 |
基础医学 | 27082篇 |
口腔科学 | 9338篇 |
临床医学 | 14656篇 |
内科学 | 45013篇 |
皮肤病学 | 5012篇 |
神经病学 | 16397篇 |
特种医学 | 5886篇 |
外国民族医学 | 26篇 |
外科学 | 24705篇 |
综合类 | 1539篇 |
现状与发展 | 1篇 |
一般理论 | 93篇 |
预防医学 | 20740篇 |
眼科学 | 3572篇 |
药学 | 12343篇 |
中国医学 | 861篇 |
肿瘤学 | 10966篇 |
出版年
2023年 | 1122篇 |
2022年 | 2245篇 |
2021年 | 4346篇 |
2020年 | 2893篇 |
2019年 | 4203篇 |
2018年 | 5987篇 |
2017年 | 4322篇 |
2016年 | 4108篇 |
2015年 | 4813篇 |
2014年 | 6419篇 |
2013年 | 8212篇 |
2012年 | 12926篇 |
2011年 | 13621篇 |
2010年 | 6888篇 |
2009年 | 6001篇 |
2008年 | 10528篇 |
2007年 | 11137篇 |
2006年 | 10249篇 |
2005年 | 10484篇 |
2004年 | 9772篇 |
2003年 | 8919篇 |
2002年 | 6897篇 |
2001年 | 5532篇 |
2000年 | 5529篇 |
1999年 | 4797篇 |
1998年 | 1669篇 |
1997年 | 1364篇 |
1996年 | 1342篇 |
1995年 | 1161篇 |
1994年 | 1122篇 |
1993年 | 1038篇 |
1992年 | 2889篇 |
1991年 | 2735篇 |
1990年 | 2512篇 |
1989年 | 2474篇 |
1988年 | 2210篇 |
1987年 | 2051篇 |
1986年 | 1921篇 |
1985年 | 1824篇 |
1984年 | 1325篇 |
1983年 | 1071篇 |
1982年 | 593篇 |
1981年 | 538篇 |
1980年 | 515篇 |
1979年 | 960篇 |
1978年 | 642篇 |
1977年 | 506篇 |
1975年 | 586篇 |
1974年 | 600篇 |
1973年 | 578篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
991.
López-López Samuel del Pozo-Rubio Raúl Ortega-Ortega Marta Escribano-Sotos Francisco 《The European journal of health economics》2022,23(7):1187-1201
The European Journal of Health Economics - To estimate the prevalence of catastrophic health expenditure due to dental healthcare (CHED) in Spain, quantify its intensity and examine the related... 相似文献
992.
993.
994.
Camargo Carlos Henrique de Souza da Cunha Maria de Lourdes Ribeiro Caramori Jacqueline Costa Teixeira Mondelli Alessandro Lia Montelli Augusto Cezar Barretti Pasqual 《International urology and nephrology》2021,53(2):381-381
International Urology and Nephrology - In the original publication, article title was incorrectly published. 相似文献
995.
Evangelista André Nobre dos Santos Flávia Franciele de Oliveira Martins Lorena Pacheco Gaiad Thais Peixoto Machado Alex Sander Dias Rocha-Vieira Etel Costa Karine Beatriz Santos Ana Paula Oliveira Murilo Xavier 《Lasers in medical science》2021,36(6):1201-1208
Lasers in Medical Science - The aim of the present study was to investigate the effects of photobiomodulation (PBM) therapy on the expression of heat shock protein 70 (HSP70) and tissue repair in... 相似文献
996.
Neves Lia Mara Grosso Tim Carla Roberta Floriano Elaine Medeiros da Silva de Avó Lucimar Retto Fernandes João Batista Parizotto Nivaldo Antonio Cominetti Marcia Regina 《Lasers in medical science》2021,36(4):863-870
Lasers in Medical Science - Ultraviolet radiation (UVR) is the major etiologic agent of cutaneous photoaging, and different strategies are used to prevent and treat this condition. The... 相似文献
997.
Amadio Eliane Martins Marcos Rodrigo Labat Serra Andrey Jorge dos Santos Solange Almeida Caires Jheniphe Rocha Fernandes Guilherme Henrique Cardosos Leal-Junior Ernesto Cesar Ferrari João Carlos Correa de Tarso Camillo de Carvalho Paulo 《Lasers in medical science》2021,36(7):1427-1435
Lasers in Medical Science - Photobiomodulation therapy (PBMT) has been indicated for enforcement on healing skin wounds. This study evaluated the effects of PBMT on the healing of skin wounds... 相似文献
998.
Vassão Patricia Gabielli Parisi Julia Penha Thaíse Fernanda Campos Balão Ana Beatriz Renno Ana Claudia Muniz Avila Mariana Arias 《Lasers in medical science》2021,36(7):1341-1353
Lasers in Medical Science - Knee osteoarthritis (KOA) is a common degenerative disease in which several treatments and treatment associations have been investigated. This review analyzed the... 相似文献
999.
Amanda Souza Setti Daniela Paes de Almeida Ferreira Braga Livia Vingris Assumpto Iaconelli Jr. Edson Borges Jr. 《Andrologia》2021,53(11):e14211
The objective of this study was to investigate the impact of male age, semen quality and days of ejaculatory abstinence on embryo morphokinetics. A total of 1,220 zygotes obtained from 139 couples in a private in vitro fertilisation centre were analysed. The timing of specific events from the point of insemination, such as timings to pronuclei appearance and fading, to two, three, four, five, six, seven and eight cells and to blastulation were recorded. Multivariate linear regression analysis was used to evaluate the influence of paternal factors on embryo morphokinetic events. Paternal age was positively correlated with delayed cell cleavage and blastulation, and negatively associated with implantation rate, and clinical pregnancy and live–birth chances. The ejaculatory abstinence was inversely correlated with the implantation rate. Inverse relationships were observed between semen parameters (sperm count, progressive sperm motility, total motile sperm count and morphology) and the timing of specific events during embryo development. Sperm morphology was also positively associated with implantation rate and pregnancy and live–birth chances. Increased paternal age and ejaculatory abstinence, and poor semen quality correlate with delayed cell cleavage and blastulation and negatively impact intracytoplasmic sperm injection outcomes. 相似文献
1000.
Albuquerque Lucas Alverne F. Almeida Joo Paulo de Macdo Filho Leonardo Jos Monteiro Joaquim Andrei F. Duffau Hugues 《Neurosurgical review》2021,44(3):1371-1389
Neurosurgical Review - There is a lack of class I evidence concerning the impact of surgery in the treatment of diffuse low-grade glioma; the early maximal resection with preservation of eloquent... 相似文献