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591.
Monosomy 22 and trisomy 14 may be early events in the tumorigenesis of adult granulosa cell tumor. 总被引:1,自引:0,他引:1
I Van den Berghe P Dal Cin K De Groef P Michielssen H Van den Berghe 《Cancer Genetics and Cytogenetics》1999,112(1):46-48
The finding of monosomy 22 and trisomy 14 in a case of adult type of granulosa-thecoma cell tumor and the available information from the literature allow for the hypothesis that, especially monosomy 22, but also trisomy 14, may be early events in the tumorigenesis of adult sex cord-stromal tumors in general, and of granulosa-thecoma cell tumors in particular. 相似文献
592.
B Kazmierczak P Dal Cin K Meyer-Bolte H Van den Berghe J Bullerdiek 《Genes, chromosomes & cancer》1999,24(3):290-292
Several cytogenetic subgroups with characteristic lesions involving chromosomal regions 12q14-15, 6p21.3, or 13q12 can be distinguished in lipomas. Rearrangements of the HMGIC gene have been described in cases with 12q14-15 abnormalities, whereas HMGIY has been shown to be the target gene of 6p21.3 aberrations. Recently, HMG1, another member of the HMG family, was mapped to 13q12. The aim of this study was to investigate the possible role of HMG1 aberrations in lipomas with 13q12 abnormalities. Two PAC clones containing HMG1 were isolated. By molecular cytogenetic investigations using these PAC clones and by Southern blot analysis of eight lipomas with 13q12 abnormalities, we were able to show that these chromosomal rearrangements did not result in intragenic rearrangements of HMG1 or breakpoints close to it. 相似文献
593.
Fredrik Mertens Christopher D. M. Fletcher Paola Dal Cin Ivo De Wever Nils Mandahl Felix Mitelman Juan Rosai Anders Rydholm Raf Sciot Giovanni Tallini Herman Van den Berghe Roberta Vanni Helena Willn 《Genes, chromosomes & cancer》1998,22(1):16-25
With the aim of identifying objective cytogenetic-morphologic correlations, we evaluated 46 pleomorphic soft tissue sarcomas (mainly diagnosed originally as malignant fibrous histiocytomas) with clonal chromosome aberrations both cytogenetically and morphologically as part of an international collaborative study. By detailed histopathologic examination, most cases could be categorized into specific tumor types. Eight sarcomas were diagnosed as lipogenic (4 pleomorphic, 1 combined pleomorphic and myxoid/round cell, and 3 dedifferentiated liposarcomas), 19 as myogenic [11 leiomyosarcomas, 1 rhabdomyosarcoma, 4 myosarcomas not otherwise specified (NOS), and 3 probable myosarcomas NOS], 8 as myxofibrosarcomas, 1 as a malignant peripheral nerve sheath tumor, 1 as malignant mesenchymoma, 1 as extraskeletal osteosarcoma, 1 as sarcoma resembling proliferative fasciitis, and 7 as pleomorphic sarcomas NOS. In a three-grade system, 10 tumors were grade 2 and 36 were grade 3. The majority had highly complex karyotypes. A total of 24 recurrent abnormalities (defined by their presence in at least five cases) were detected: ring chromosomes, homogeneously staining regions (hsr) and/or double minute chromosomes (dmin), and structural rearrangement of 22 different chromosome bands or regions. The frequency and distribution of the recurrent karyotypic features were uneven. Grade 3 tumors displayed, on average, more aberrations per case than did grade 2 tumors. Nine of the selected abnormalities, including hsr/dmin and rearrangements of 19p13 and 19q13, were found only among the high-grade tumors. When the tumors were subdivided according to lineage of differentiation, the highest frequency of aberrations was seen in pleomorphic sarcomas NOS, followed by myxofibrosarcomas, myogenic sarcomas, and lipogenic sarcomas. None of the selected rearrangements was, however, specific for any of these subgroups. The sole consistent cytogenetic-morphologic association was that all three dedifferentiated liposarcomas had multiple abnormal clones, at least one of which contained supernumerary ring chromosomes. Due mainly to karyotype complexity, it therefore seems unlikely that cytogenetic analysis can assist in the differential diagnostic subclassification of pleomorphic sarcomas, nor was there any clear-cut indication that the karyotypic picture could be used to predict clinical outcome. Although the mean number of recurrent chromosome aberrations was almost twice as high in sarcomas that gave rise to metastases as among those that did not, no particular aberration was restricted to either of the two subgroups. Genes Chromosomes Cancer 22:16–25, 1998. © 1998 Wiley-Liss, Inc. 相似文献
594.
Paola Dal Cin Patrick Pauwels L.J. Poldermans Raf Sciot Herman Van den Berghe 《Genes, chromosomes & cancer》1999,24(2):162-164
We report the first cytogenetic investigation of a Dupuytren's subungual exostosis. The clonal abnormalities found suggest that at least some of these heterotopic ossifications could be neoplastic in nature, instead of being a purely reactive process or exuberant growth in response to trauma. Genes Chromosomes Cancer 24:162–164, 1999. © 1999 Wiley‐Liss, Inc. 相似文献
595.
596.
Paolo Dal Cin Herman Van Den Berghe Hein van Poppel Luc Baert Raf Sciot Rita De Vos Boudewijn van Damme 《Genes, chromosomes & cancer》1996,17(2):136-139
A new chromosome rearrangement, t(1;12)(p36;q13). is added to the cytogenetic changes found in renal oncocytomas. The breakpoint in 12q is cytogenetically different from those of the MAR region, and molecularly HMGlC located in 12q 15 on the basis of 3′ RACE experiments does not seem to be directly involved. Genes Chrornosorn Cancer l7:/36–/39 (1996). © 1996 Wiley-Lia, Inc. 相似文献
597.
Paola Dal Cin Raf Sciot Ivo de Wever Penelope Brock Maria Casteels-Van Daele Boudewijn Van Damme Herman Van Den Berghe 《Genes, chromosomes & cancer》1996,15(1):73-75
From cytogenetic and immunohistochemical findings in a primary giant cell fibrosarcoma and its recurrence, it is further demonstrated that a close relationship exists between this tumor and dermatofibrosarcoma protuberans. Both tumors express CD34 and show rearrangements of chromosomes 17 and 22. Genes Chromosom Cancer 15:73–75 (1996). © 1996 Wiley-Liss, Inc. 相似文献
598.
Fausto Fazzini Giuseppe Peri Andrea Doni Giacomo Dell'Antonio Elena Dal Cin Enrica Bozzolo Francesca D'Auria Luisa Praderio Gianfranco Ciboddo Maria Grazia Sabbadini Angelo A. Manfredi Alberto Mantovani Patrizia Rovere Querini 《Arthritis \u0026amp; Rheumatology》2001,44(12):2841-2850
Objective
To verify whether the prototypical long pentraxin PTX3 represents an indicator of the activity of small‐vessel vasculitis.Methods
Concentrations of PTX3, a pentraxin induced in endothelium by cytokines, were measured by enzyme‐linked immunosorbent assay in the sera of 43 patients with Churg‐Strauss syndrome, Wegener's granulomatosis, and microscopic polyangiitis. PTX3 was also measured in the sera of 28 patients with systemic lupus erythematosus (SLE), 22 with rheumatoid arthritis, and 16 with CREST syndrome (calcinosis, Raynaud's phenomenon, esophageal dysmotility, sclerodactyly, telangiectasias). Serum concentrations of C‐reactive protein (CRP) were measured by immunoturbidimetry. The cells involved in PTX3 production in vivo were identified in skin biopsy samples.Results
Patients with active vasculitis had significantly higher concentrations of PTX3 than did those with quiescent disease (P < 0.001). PTX3 levels in the latter group were similar to those in healthy controls. PTX3 levels were higher in patients with untreated vasculitis and lower in patients who underwent immunosuppressive treatments (P < 0.005). In contrast, patients with active SLE had negligible levels of the pentraxin. PTX3 levels did not correlate with CRP levels in vasculitis patients. Endothelial cells produced PTX3 in active skin lesions.Conclusion
PTX3 represents a novel acute‐phase reactant produced at sites of active vasculitis.599.
Giacomo Dell'Antonio Angelo Quattrini Elena Dal Cin Alessandro Fulgenzi Maria Elena Ferrero 《Arthritis \u0026amp; Rheumatology》2002,46(12):3378-3385