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排序方式: 共有133条查询结果,搜索用时 15 毫秒
1.
Perrier E Manen O Paul JF Lerecouvreux M Quiniou G Geffroy S Deroche J Caussin C Doireau P Plotton C Carlioz R 《Annales de cardiologie et d'angeiologie》2005,54(5):227-232
Multislice computed tomography (MSCT) is a non-invasive and validated technique to detect coronary stenoses. Some questions remain about its accuracy to detect coronary stenoses (CS), especially for asymptomatic patients (P) when a prior stress test isn't conclusive. METHODS: MSCT was performed among 45 asymptomatic men (mean age: 58,3 +/- 16), with a high ten year risk of fatal cardiovascular disease (SCORE 2003 data for low-risk regions of Europe), without any previous coronary history and with previous non conclusive exercise testing. When significant (> 50%) CS was suspected at MSCT, an angiocoronarography (AC) was done. RESULTS: Eighteen MSCT were normal, unsignificant CS (< 50%) were detected on 14 MSCT and significant coronary stenoses (SCS) for 13 P. Among this 13 P, 19 SCS were identified: 2 SCS of left main coronary artery (CA), 9 of the left descending CA, 6 of the right CA and 2 of the left circumflex CA. 13 CS were confirmed at AC. Finally, because of critical angiographic lesions +/- ischemia at nuclear tomoscintigraphy (NT), 9 P had coronary revascularization (7 catheter based, 2 surgical bypass), 4 P had medical treatment. DISCUSSION: Benefits of this preliminary study are obvious: 9 coronary revascularization/45 P. However, the place of MSCT for the screening of CS is uncertain, but may be usefull as a complement for the screening of coronary arterial disease. 相似文献
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Birkhoff W. A. J. van Manen L. Dijkstra J. De Kam M. L. van Meurs J. C. Cohen A. F. 《Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie》2020,258(1):9-15
Graefe's Archive for Clinical and Experimental Ophthalmology - Fractal analysis can be used to quantitatively analyze the retinal microvasculature and might be a suitable method to quantify... 相似文献
4.
van Manen M 《Qualitative health research》2002,12(2):262-278
Care, or caring, is one of the central concepts in North American health science and nursing theories. Yet, experiential accounts of caring show dimensions of meaning that have received little attention in the literature. The author compares the meanings of the terms care and caring with their counterparts in other languages. He explores the significance of care-as-worry embedded in lived relations of caring and relates these concepts to ethical considerations surrounding health care. It is because of this felt "care-as-worry" that the life of care may be experienced as a complex moral-emotional relation of responsibility. 相似文献
5.
Termorshuizen F Dekker FW van Manen JG Korevaar JC Boeschoten EW Krediet RT;NECOSAD Study Group 《Journal of the American Society of Nephrology : JASN》2004,15(4):1061-1070
A high delivered Kt/V(urea) (dKt/V(urea)) is advocated in the U.S. National Kidney Foundation Dialysis Outcomes Quality Initiative guidelines on hemodialysis (HD) adequacy, irrespective of the presence of residual renal function. The contribution of treatment adequacy and residual renal function to patient survival was investigated. The Netherlands Cooperative Study on the Adequacy of Dialysis is a prospective multicenter study that includes incident ESRD patients older than 18 yr. The longitudinal data on residual renal function and dialysis adequacy of patients who were treated with HD 3 mo after the initiation of dialysis (n = 740) were analyzed. The mean renal Kt/V(urea) (rKt/V(urea)) at 3 mo was 0.7/wk (SD 0.6) and the dKt/V(urea) at 3 mo was 2.7/wk (SD 0.8). Both components of urea clearance were associated with a better survival (for each increase of 1/wk in rKt/V(urea), relative risk of death = 0.44 [P < 0.0001]; dKt/V(urea), relative risk of death = 0.76 [P < 0.01]). However, the effect of dKt/V(urea) on mortality was strongly dependent on the presence of rKt/V(urea), low values for dKt/V(urea) of <2.9/wk being associated with a significantly higher mortality in anuric patients only. Furthermore, an excess of ultrafiltration in relation to interdialytic weight gain was associated with an increase in mortality independent of dKt/V(urea). In conclusion, residual renal clearance seems to be an important predictor of survival in HD patients, and the dKt/V(urea) should be tuned appropriately to the presence of renal function. Further studies are required to substantiate the important role of fluid balance in HD adequacy. 相似文献
6.
alpha-Galactosidase A deficiency in Dutch patients on dialysis: a critical appraisal of screening for Fabry disease. 总被引:2,自引:0,他引:2
Gabor E Linthorst Carla E M Hollak Johanna C Korevaar Jeanette G Van Manen Johannes M F G Aerts Els W Boeschoten 《Nephrology, dialysis, transplantation》2003,18(8):1581-1584
INTRODUCTION: Fabry disease or alpha-galactosidase A (alpha-Gal A) deficiency is an X-linked lysosomal storage disorder that often leads to renal insufficiency in males and occasionally in females. The disease is rare, but its prevalence may be underestimated due to its variable clinical picture. Enzyme supplementation therapy with rHu-alphaGal A is currently available. Limited experience has so far shown that therapy may at best stabilize renal function. Despite these preliminary findings, much effort is being put into screening high-risk groups for undiagnosed alpha-Gal A deficiency. We studied the prevalence of alpha-Gal A deficiency in a Dutch dialysis cohort to establish possible underdiagnosis. We discuss the benefits of screening for Fabry disease. METHODS: Activity of alpha-Gal A in whole blood was measured in a group of 508 male Dutch dialysis patients. RESULTS: Of the 508 patients studied only one patient, already known with Fabry disease, had a alpha-Gal A deficiency, a prevalence of 0.22% (95 CI 0-1.1%). CONCLUSIONS: No undiagnosed Fabry patients were found, indicating that in our studied cohort there is no large-scale underestimation of its prevalence. Even though screening of dialysis patients for Fabry disease might identify patients who remain otherwise unrecognized, screening of high-risk populations for alpha-Gal A deficiency should be carried out with caution since long-term efficacy of treatment is currently unknown. 相似文献
7.
A decision aid for men with early stage prostate cancer: theoretical basis and a test by surrogate patients 总被引:1,自引:0,他引:1
Deb Feldman-Stewart PhD Michael D. Brundage MD & Lori Van Manen MSc 《Health expectations》2001,4(4):221-234
Background We developed a decision aid for patients with curable prostate cancer based on Svenson’s DiffCon Theory of Decision Making. This study was designed to determine if surrogate patients using the aid could understand the information presented, complete all tasks, show evidence of differentiation, and arrive at a preferred treatment choice. Methods Men, at least 50 years old and never diagnosed with prostate cancer, were recruited through local advertisements. Participants were asked to imagine that they were a case‐scenario patient. Then they completed the decision aid interview, which included three components: (i) information presentation, with comprehension questions, (ii) exercises to help identify attributes important to the decision, and (iii) value‐clarification exercises. Results Sixty‐nine men volunteered. They had a mean age of 61.2 (range 50–83) years, 37% had no formal education beyond high school, and 87% were living with a partner. All participants completed all aspects of the interview. They answered an average of 10 comprehension questions each, with a mean of 94.7% correct without a prompt. Each attribute in the information presented was identified by at least one participant as important to his decision. Participants identified a median of five attributes as important (ranges 1–14) at each of three points during the interview; 75% changed at least one important attribute during the interview. Forty‐nine per cent of participants also identified attributes as important that were not included in the presented information. Participants showed a wide range of values in each of seven trade‐off exercises. Eighty‐eight per cent of participants showed evidence of differentiation; 75% had a clear treatment preference by the end of the interview. Conclusions Our decision aid appears to meet its goals for surrogate patients and illustrates the strengths of the DiffCon theory. The ability of the aid to accommodate wide variability, both in information needs and in important attributes, is a particular strength of the decision aid. It now requires testing in patients with prostate cancer. 相似文献
8.
A Routman W Van Manen R Haddad B Pollock B Holmes W J Mogabgab 《The Journal of international medical research》1986,14(5):242-253
Cefsulodin, a narrow-spectrum cephalosporin with excellent antipseudomonal activity was used to treat 48 patients with 51 Pseudomonas aeruginosa infections. These included osteomyelitis, infected prostheses, post-operative and post-traumatic superficial wounds, decubitus and stasis ulcers, lower respiratory tract infections and infections of the urinary tract. Many of the patients were compromised by underlying debilitating conditions such as severe trauma, diabetes mellitus, vascular impairment, and abuse of alcohol and drugs. In cases of polymicrobial infections, a concomitant non-antipseudomonal antibiotic was sometimes administered. Cefsulodin was administered intravenously to 47 patients and by intramuscular injections to one individual. The dosage ranged from 0.5 to 2.0 g every six hr and duration of therapy was from 4 to 70 days. A satisfactory clinical response was observed in 88% of the patients. P. aeruginosa was eradicated from 76% of the infection sites. Failures, which included relapse within one year, were generally associated with prior severe trauma or vascular impairment in cases of osteomyelitis. Reinfections and superinfections developed in 12 individuals. Adverse reactions reported for two patients were nausea and vomiting. A third patient had transient increases in alkaline phosphatase and SGOT. These data indicate that cefsulodin is an effective and safe antibiotic in various types of P. aeruginosa infections. 相似文献
9.
Gygax-Genero M Manen O Chemsi M Bisconte S Dubourdieu D Vacher A Brocq FX Leduc PA Deroche J Boussif M Perrier E Gourbat JP 《Revue de pneumologie clinique》2010,66(5):302-307
Spontaneous pneumothorax is one cause of aeronautical unfitness in flight personnel, because of the risk of recurrence in flight, making it an issue of flight safety. Specific treatment is required for fighter pilots, pilots flying single-pilot and pilots in professional training: surgical synthesis via video-thoracoscopy is obligatory from the first episode. Considering the exposure to an accumulation of aeronautical factors that are likely to encourage pneumothorax recurrence in flight, it is apical pleurectomy together with abrasion of the remaining pleura and resection of bullae/blebs that is required for fighter pilots to allow them to recover aeronautical fitness unrestrictedly. For all other categories of flight personnel, treatment is no different from that of the common patient. Knowledge of these treatment specifics is essential, to avoid unnecessary systematic surgical indication for all flight personnel, or jeopardise professional fitness in some of them due to inappropriate treatment. 相似文献
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