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41.
This study was conducted to examine the relationship between thigh skinfold measurement, hand grip strength, and trunk muscle
endurance and compare this relationship in men and women. The current study included 200 healthy subjects (111 women and 89
men), with a mean age of 31.58±13.78 y. Trunk muscle endurance was evaluated with the use of curl-up, horizontal side bridge,
and static back endurance tests. Significant differences were found between women and men in performance of the curl-up and
horizontal side bridge tests (P< .05); however, no significant difference was found between the sexes in the static back endurance test scores (P≥.05). The investigators discerned a significant negative correlation between thigh skinfold measurements and all trunk muscle
endurance tests in female patients (curl-up,r=−.501; horizontal side bridge,r=−.454; static back,r=−.479;P< .05). A rather weak correlation was found in male patients (curl-up,r=−.348; horizontal side bridge,r=−.182; static back,r=−.330;P< .05). On the other hand, no significant correlation was found between hand grip strength and trunk muscle endurance test
scores in female patients (P≥.05), although a significant positive correlation was found in male patients in curl-up and side bridge test results (curl-up,r=.319; horizontal side bridge,r=.307; static back,r=.123;P< .05). The results of this study suggest that women have lower endurance test scores compared with men. The investigators
detected the presence of a significant negative correlation between thigh skinfold measurement and trunk muscle endurance
tests in both men and women and concluded that there is a positive significant relationship between hand grip strength, curl-up,
and horizontal side bridge tests. Additional studies are needed to evaluate the relationship between muscle endurance and
physical characteristics as they relate to the sex of the individual. 相似文献
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Targeting the LRP5 Pathway Improves Bone Properties in a Mouse Model of Osteogenesis Imperfecta 下载免费PDF全文
Christina M Jacobsen Lauren A Barber Ugur M Ayturk Heather J Roberts Lauren E Deal Marissa A Schwartz MaryAnn Weis David Eyre David Zurakowski Alexander G Robling Matthew L Warman 《Journal of bone and mineral research》2014,29(10):2297-2306
The cell surface receptor low‐density lipoprotein receptor‐related protein 5 (LRP5) is a key regulator of bone mass and bone strength. Heterozygous missense mutations in LRP5 cause autosomal dominant high bone mass (HBM) in humans by reducing binding to LRP5 by endogenous inhibitors, such as sclerostin (SOST). Mice heterozygous for a knockin allele (Lrp5p.A214V) that is orthologous to a human HBM‐causing mutation have increased bone mass and strength. Osteogenesis imperfecta (OI) is a skeletal fragility disorder predominantly caused by mutations that affect type I collagen. We tested whether the LRP5 pathway can be used to improve bone properties in animal models of OI. First, we mated Lrp5+/p.A214V mice to Col1a2+/p.G610C mice, which model human type IV OI. We found that Col1a2+/p.G610C;Lrp5+/p.A214V offspring had significantly increased bone mass and strength compared to Col1a2+/p.G610C;Lrp5+/+ littermates. The improved bone properties were not a result of altered mRNA expression of type I collagen or its chaperones, nor were they due to changes in mutant type I collagen secretion. Second, we treated Col1a2+/p.G610C mice with a monoclonal antibody that inhibits sclerostin activity (Scl‐Ab). We found that antibody‐treated mice had significantly increased bone mass and strength compared to vehicle‐treated littermates. These findings indicate increasing bone formation, even without altering bone collagen composition, may benefit patients with OI. © 2014 American Society for Bone and Mineral Research. 相似文献
46.
Yucel Erbilgin Ozden Hatirnaz Ng Ismail Can Sinem Firtina Fulya Kucukcankurt Serap Karaman Zeynep Karakas Tulin Tiraje Celkan Emine Zengin Sema Aylan Gelen Gul Nihal Ozdemir Yildiz Yildirmak Omer Dogru Turkan Tansel Khusan Khodzhaev Ozlem Toluk Ugur Ozbek Muge Sayitoglu 《International journal of laboratory hematology》2021,43(5):1093-1103
47.
Ayhan Kanat Mehmet Sabri Balik Serkan Kirbas Bulent Ozdemir Vaner Koksal Ugur Yazar Hizir Kazdal Ahmet Kalaycioglu 《Acta neurochirurgica》2014,156(1):165-168
Objective
Cubital tunnel syndrome (CuTS) is the second most common compression neuropathy in the arm, but the existence of a compressive cause has not been determined conclusively and the majority of the cases are idiopathic. In this paper, involvement sides of limbs of patients with cubital tunnel syndrome were studied.Material and methods
Between October 2008 and December 2011, the clinical assessment of consecutive operated patients with cubital tunnel syndrome in Rize Education and Research Hospital were analysed. The diagnosis and severity of syndrome was based on electro-diagnostic study.Results
This study included 57 consecutive patients with cubital tunnel syndrome (39 men, 18 women; mean age, 44,7 years; range, 23–79 years; mean age, 44,7 years; range, 23–79 years); 31 patients underwent surgical treatment. Involvement was on the right side in 18 and on the left in 39 patients. Severity scores and MCV were statistically significant between sides.Conclusion
Profound involvement with cubital tunnel was found in left elbow. According to the finding of non-dominant elbow involvement in our study, the exact etiology and ideal management of cubital tunnel syndrome continues to be heavily debated. 相似文献48.
Tuba Avci Dilek Erer Aysegul Kucuk Yasin Oztürk Murat Tosun Gursel L. Oktar Mustafa Arslan Erkan Iriz Mustafa Kavutcu Tolga Tatar 《The Journal of surgical research》2014
Purpose
The aim of this study was to investigate the effects of iloprost (IL) on ischemia-reperfusion injury in a rodent model.Materials and methods
Twenty-four Wistar Albino rats were randomized into four groups (n = 6). Laparotomy was performed in all groups under general anesthesia. Only laparotomy was applied in group S (Sham). Ischemia-reperfusion group (group I/R) underwent ischemia and reperfusion performed by clamping and declamping of the infrarenal abdominal aorta for 120 min. The iloprost group (group IL) received intravenous infusion of IL 0.5 ng/kg/min, without I/R. Group I/R + IL received intravenous infusion of IL 0.5 ng/kg/min immediately after 2 h period of ischemia. At the end of the reperfusion period, all rats were killed under anesthesia and skeletal muscle samples of lower extremity were harvested for biochemical and histopathologic analyses.Results
Tissue levels of endothelial nitric oxide were significantly higher in I/R groups than those in groups S and IL. The heat shock protein 60 levels were higher in group I/R than the other groups. But the heat shock protein 60 levels in group I/R + IL were found to be similar with the groups S and IL. Malondialdehyde levels were significantly higher in group I/R. On the other hand, in group I/R + IL, malondialdehyde levels were higher than those in groups S and IL but lower than those in group I/R. Superoxide dismutase (SOD) enzyme activities were found to be significantly lower in group I/R than the other groups. Also in group I/R/I, the SOD enzyme activities were higher than those in group I/R. But, in group I/R + IL, SOD levels were found to be higher than those in group I/R but lower than those in groups S and IL.Conclusions
These results indicate that IL has protective effects on I/R injury in skeletal muscle in a rodent model. 相似文献49.
Ibrahim Guner PhD Muhittin O. Yaman Ugur Aksu Duygu UzunHayriye Erman MD Meliha Inceli Remisa Gelisgen Nermin Yelmen Hafize Uzun Gulderen Sahin 《The Journal of surgical research》2014
Background
Aortic ischemia–reperfusion (IR) is an important factor in the development of postoperative acute lung injury after abdominal aortic surgery. The aim of the present study was to examine the effect of fluoxetine (Flx), a selective serotonin reuptake inhibitor widely used as a preoperative anxiolytic, on lung injury induced by abdominal aortic IR in rats.Methods
Wistar rats were randomized into three groups (n = 7 per group): (1) control (sham laparotomy); (2) IR without Flx (60-min ischemia and 120-min reperfusion); (3) IR with Flx (Flx + IR) (Flx 20 mg/kg/d, intraperitoneally for 3 d before surgery). Lung tissue samples and bronchoalveolar lavage (BAL) were obtained for biochemical analysis of oxidative status. Ischemia-modified albumin (IMA) level and protein concentrations in BAL and lung wet to dry weight ratios were determined. Histologic evaluation of the lung tissues was also performed.Results
IR without Flx led to significant increase in lipid hydroperoxide, malondialdehyde, and pro-oxidant–antioxidant balance and decrease in superoxide dismutase, glutathione, and ferric reducing antioxidant power activities (P < 0.05 versus control), whereas Flx was able to restore these parameters (P > 0.05 versus control) and decrease IMA level (P < 0.01 versus control) and protein concentration (P < 0.05 versus control) in BAL and wet to dry lung weight ratio. Histologic evaluation showed that Flx attenuated the morphologic changes associated with lung injury.Conclusions
The results indicate that Flx confers protection against aortic IR-induced lung oxidative stress and cellular integrity. IMA levels in BAL may be used as a follow-up marker for the efficacy of treatment in lung injury. 相似文献50.
Umit Eksioglu Hasan Ikbal Atilgan Nuray Yazihan Ugur Emrah Altiparmak Nihat Yumusak 《Cutaneous and ocular toxicology》2019,38(1):18-24
Purpose: To evaluate antioxidant effects of active vitamin D (calcitriol) against high-dose radioiodine (RAI) therapy-associated damage of lacrimal gland.Materials and methods: Wistar albino rats were used and divided into three groups randomly (n?=?12/group). The first group was appointed as the negative control group and received no RAI or medication. The second group was appointed as the positive control group that only received 3?mCi/kg (111 MBq/kg) RAI via gastric gavage and the last group was the treatment group that received 3?mCi/kg RAI via same method and calcitriol (200?ng/kg/day) via intraperitoneal administration. Seven days after RAI administration, bilateral intraorbital (IG), extraorbital (EG) and Harderian (HG) glands were removed for the evaluations of histopathologic, tissue cytokine, total oxidant status (TOS) and total antioxidant status (TAS).Results: RAI led to significant increase in tissue TOS, TNF-α, IL-6 levels and significant decrease in IL-10 and TAS levels (p?0.05 for each). Addition of adjunctive calcitriol reversed all these parameters significantly (p?0.05 for each).The following histopathologic parameters were seen more frequently in positive control group than the other groups: Abnormal lobular pattern, perivascular infiltration, periductal infiltration, lipofuscin-like accumulation, acinar atrophy, periductal and periacinar fibrosis in all lacrimal gland types (p?0.05), acinar fibrosis in EG (p?=?0.049), periductal fibrosis in EG and HG (p?=?0.049 and 0.038, respectively), abnormal cell outlines in EG and HG (p?=?0.020 and 0.011, respectively) and variation in cell size in the IG and the HG (p?=?0.003 and 0.049 respectively).Conclusions: RAI caused significant oxidative stress and inflammation in lacrimal glands. Vitamin D demonstrated potent anti-inflammatory, antioxidant and radio-protective effects on lacrimal glands in histopathologic, tissue cytokine and oxidant/antioxidant level evaluations. 相似文献