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71.
Measuring stigma in people with HIV: psychometric assessment of the HIV stigma scale. 总被引:22,自引:0,他引:22
An instrument to measure the stigma perceived by people with HIV was developed based on the literature on stigma and psychosocial aspects of having HIV. Items surviving two rounds of content review were assembled in a booklet and distributed through HIV-related organizations across the United States. Psychometric analysis was performed on 318 questionnaires returned by people with HIV (19% women, 21% African American, 8% Hispanic). Four factors emerged from exploratory factor analysis: personalized stigma, disclosure concerns, negative self-image, and concern with public attitudes toward people with HIV. Extraction of one higher-order factor provided evidence of a single overall construct. Construct validity also was supported by relationships with related constructs: self-esteem, depression, social support, and social conflict. Coefficient alphas between .90 and .93 for the subscales and .96 for the 40-item instrument provided evidence of internal consistency reliability. The HIV Stigma Scale was reliable and valid with a large, diverse sample of people with HIV. 相似文献
72.
Pietro Fratta Mark Poulter Tammaryn Lashley Jonathan D. Rohrer James M. Polke Jon Beck Natalie Ryan Davina Hensman Sarah Mizielinska Adrian J. Waite Mang-Ching Lai Tania F. Gendron Leonard Petrucelli Elizabeth M. C. Fisher Tamas Revesz Jason D. Warren John Collinge Adrian M. Isaacs Simon Mead 《Acta neuropathologica》2013,126(3):401-409
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74.
Review: An update on clinical,genetic and pathological aspects of frontotemporal lobar degenerations
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Tammaryn Lashley Jonathan D. Rohrer Simon Mead Tamas Revesz 《Neuropathology and applied neurobiology》2015,41(7):858-881
The development of our understanding of frontotemporal dementia (FTD) has gathered pace over the last 10 years. After taking a back seat to Alzheimer's disease for many years FTD has emerged as a significant group of heterogeneous diseases often affecting people under the age of 65. FTD has also been brought into the spotlight as the major disease entities of the group have clinical, genetic and pathological links to motor neuron disease/amyotrophic lateral sclerosis, indicating that they form a disease spectrum. In this review, we overview how the pathological concept of frontotemporal lobar degeneration (FTLD) and the clinical concept of FTD evolved and show that FTLD, once thought of as a single disorder, represents a heterogeneous group of diseases with overlapping clinical symptoms, multiple causative genes and varying underlying pathology. We also provide a brief summary of the clinical manifestations, summarize the major genetic aspects and describe the main pathological features seen in the different subtypes of FTLD. We also summarize the correlations that exist between clinical presentations and pathological variants. An overview of the main pathogenic mechanisms is also provided. 相似文献
75.
76.
Lashley K 《Bulletin of the World Health Organization》2008,86(1):9-10
Microcredit loans have transformed the lives of impoverished people in many countries by allowing them to start businesses. But increasingly microcredit banks are realizing that providing some kind of health coverage in tandem with the loans is essential if they want to fulfil their mission to improve lives. 相似文献
77.
Lashley T Holton JL Verbeek MM Rostagno A Bojsen-Møller M David G van Horssen J Braendgaard H Plant G Frangione B Ghiso J Revesz T 《Neuropathology and applied neurobiology》2006,32(5):492-504
Molecular chaperons or amyloid-associated proteins (AAPs) are deposited in vascular and parenchymal amyloid lesions in Alzheimer's disease (AD) and other amyloidoses. AAPs, such as apolipoprotein E (ApoE) or apolipoprotein J (ApoJ) have been strongly implicated in the pathogenesis of AD in vitro and in vivo. Furthermore the possession of the ApoE in4 allele is a well-studied risk factor for AD. In view of the similarities between AD and both familial British dementia (FBD) and familial Danish dementia (FDD), we investigated the presence of AAPs in these two diseases to understand better their role in the general process of amyloidogenesis. Immunohistochemistry for ApoE, ApoJ, serum amyloid P (SAP), alpha-1-antichymotrypsin, cystatin C, heparan sulphate proteoglycans, such as agrin, perlecan, syndecans, glypican-1 and for heparan sulphate glycosaminoglycan (HS GAG) side chains was carried out together with immunohistochemical preparations specific to the amyloid subunits. Significant or extensive staining for ApoE, ApoJ, agrin, glypican-1 and HS GAG side chains was found in both amyloid (fibrillar) and preamyloid (nonfibrillar) deposits in FBD and FDD. The remaining AAPs, including SAP, were predominantly found in amyloid lesions. Only very weak staining was present in a small proportion of the amyloid lesions using perlecan immunohistochemistry. These findings suggest that the deposition patterns of AAPs in FBD and FDD are mostly similar to those in AD. The presence of AAPs in the preamyloid lesions supports the notion that chaperon molecules may play a role in the early steps of fibrillogenesis. 相似文献
78.
Winter H Hu HM Poehlein CH Huntzicker E Osterholzer JJ Bashy J Lashley D Lowe B Yamada J Alvord G Urba WJ Fox BA 《Immunology》2003,108(3):409-419
Previously we have shown that vaccination with the poorly immunogenic B16BL6-D5 melanoma (D5) elicits a dominant type 2 (T2) cytokine response that fails to protect the host from a subsequent tumour challenge. Here we investigated whether the inherent immunogenicity of a tumour can be correlated with its ability to bias the anti-tumour cytokine response towards either a type 1 (T1) or a T2 profile. The immune response to six tumours of different inherent immunogenicity was assayed. By isolating l-selectinlow T cells from tumour vaccine draining lymph nodes (TVDLN), it was possible to detect tumour-specific cytokine responses from both immunogenic, poorly immunogenic and non-immunogenic tumours. Immunogenic tumours (MCA-304, MCA-309, MPR-4) induced a predominant tumour-specific T1 cytokine response. In contrast, weakly (MCA-310, MPR-3) and poorly/non-immunogenic tumours (MPR-5, D5) sensitized T cells with a predominant tumour-specific T2 cytokine response. A significant correlation (P < 0.025) between immunogenicity and the ratio of tumour-specific interferon-gamma : interleukin-4 (IL-4) secretion by TVDLN T cells was identified. We then documented that non-therapeutic T cells primed by the poorly immunogenic D5, recognized "tumour-rejection" antigens and that reprogramming their cytokine response, by in vitro culture with IL-12 and anti-IL-4, to a T1 profile uncovered therapeutic efficacy. In contrast, TVDLN T cells primed by a therapeutic vaccine lose therapeutic efficacy when cultured with IL-4. These results provide insights into the development of a protective anti-tumour immune response and strengthen the hypothesis that a T1 cytokine response is critical for T-cell-mediated tumour regression. 相似文献
79.
Revesz T Ghiso J Lashley T Plant G Rostagno A Frangione B Holton JL 《Journal of neuropathology and experimental neurology》2003,62(9):885-898
Amyloid deposition can take place in the walls of arteries, arterioles, and, less often, capillaries and veins of the central nervous system, a phenomenon known as cerebral amyloid angiopathy (CAA). The major clinicopathological manifestations of CAA include cerebral hemorrhage, ischemic lesions, and dementia. CAA may be classified according to the amyloid protein deposited. In the most common form, sporadic CAA, and in CAA related to sporadic Alzheimer disease (AD). A beta deposition is characteristic. CAA can also be severe in variants of familial AD caused by mutations of the amyloid-beta precursor protein or presenilin-1 genes in which deposition of A beta variants and/or wild-type A beta occurs. Other amyloid proteins involved in familial CAAs include 1) the mutant cystatin C (ACys) in hereditary cerebral hemorrhage with amyloidosis of Icelandic type, 2) variant transthyretins (ATTR) in meningo-vascular amyloidoses, 3) mutated gelsolin (AGel) in familial amyloidosis of Finnish type, 4) disease-associated prion protein (PrP(Sc)) in a variant of the Gerstmann-Str?ussler-Scheinker syndrome, and 5) ABri and ADan in CAAs observed in the recently described BRI2 gene-related dementias, familial British dementia and familial Danish dementia, respectively. This review addresses issues related to the correlation between morphology, biochemistry, and genetics, and briefly discusses both the pathogenesis and animal models of CAAs. 相似文献
80.
We report a case of a 46,XY male infant with a history of normal amniotic fluid levels who was delivered by elective cesarean section at 38.5 weeks' gestation because of progressive bladder distension, hydroureteronephrosis, and what was thought to be a dilated posterior urethra. The child died at 19 days of age of cardiovascular complications. The autopsy revealed megacystis, bilateral megaureters and pyelocaliectasis, congenital absence of ganglion cells in the bladder wall, renal dysplasia, and a microcolon. No dilation or anatomic obstruction of the posterior urethra was found. These findings strongly suggest the diagnosis of megacystis microcolon intestinal hypoperistalsis syndrome. We discuss the ultrasound findings of in utero bladder distension with hydronephrosis and one of its rare etiologies. 相似文献