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排序方式: 共有122条查询结果,搜索用时 15 毫秒
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Cerovski B Popović Suić S Bujger Z Miljenka T Cerovski J 《Acta medica Croatica : c?asopis Hravatske akademije medicinskih znanosti》2005,59(2):123-128
Normal intraocular pressure (IOP) glaucoma is a clinical condition characterized by pathologic optic nerve excavation and visual field impairment, defined as optic neuropathy with certain features of a disease known as glaucoma. Glaucomatous optic nerve lesion is characterized by optic disk excavation or depression, however, this feature may greatly vary. The level of IOP is considered only one of the multiple risk factors involved in the disease development. In normal IOP glaucoma, papillary lesions and visual field impairments may differ from those occurring in primary open-angle glaucoma. In modern ophthalmology, the terminology has been modified, so the term low IOP glaucoma has been replaced by the term normal IOP glaucoma. It is now believed that various factors play a role in the development of glaucomatous optic neuropathy in normal IOP glaucoma and show variable interference depending on IOP level. Additional studies are needed to define these interactions and their impact on the mechanism of glaucomatous excavation. This will hopefully pave the way to new therapeutic approaches and help in clinical decisions concerning the prognosis and treatment of individual patients. 相似文献
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Popović Suić S Cerovski B Tojagić M 《Acta medica Croatica : c?asopis Hravatske akademije medicinskih znanosti》2004,58(5):407-409
The upper lid position is abnormal if it exposes a white band of sclera between the lid margin and the upper corneal limbus while the retracted lower lid lies below the inferior corneal margin and is tethered to the orbital margin. Lid retraction is a sign of many congenital and acquired diseases and is characterised by multifactorial etiology. The aim of this study was to discuss the etiology of lid retraction divided into four categories: neurogenic, myogenic, mechanical and miscellaneous, what suggests a successful differential diagnostic and therapeutic approach. 相似文献
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Anne‐Marie Lamhonwah Simon E. Olpin Rodney J. Pollitt Christine Vianey‐Saban Priscille Divry Nathalie Guffon Guy T. N. Besley Russell Onizuka Linda J. De Meirleir Ljerka Cvitanovic‐Sojat Ivo Baric Carlo Dionisi‐Vici Ksenija Fumic Miljenka Maradin Ingrid Tein 《American journal of medical genetics. Part A》2002,111(3):271-284
Primary systemic carnitine deficiency or carnitine uptake defect (OMIM 212140) is a potentially lethal, autosomal recessive disorder characterized by progressive infantile‐onset cardiomyopathy, weakness, and recurrent hypoglycemic hypoketotic encephalopathy, which is highly responsive to L ‐carnitine therapy. Molecular analysis of the SLC22A5 (OCTN2) gene, encoding the high‐affinity carnitine transporter, was done in 11 affected individuals by direct nucleotide sequencing of polymerase chain reaction products from all 10 exons. Carnitine uptake (at Km of 5 μM) in cultured skin fibroblasts ranged from 1% to 20% of normal controls. Eleven mutations (delF23, N32S, and one 11‐bp duplication in exon 1; R169W in exon 3; a donor splice mutation [IVS3+1 G > A] in intron 3; frameshift mutations in exons 5 and 6; Y401X in exon 7; T440M, T468R and S470F in exon 8) are described. There was no correlation between residual uptake and severity of clinical presentation, suggesting that the wide phenotypic variability is likely related to exogenous stressors exacerbating carnitine deficiency. Most importantly, strict compliance with carnitine from birth appears to prevent the phenotype. © 2002 Wiley‐Liss, Inc. 相似文献
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Nataša Mitrović Marina Zarić Dunja Drakulić Jelena Martinović Jean Sévigny Miloš Stanojlović Nadežda Nedeljković Ivana Grković 《Journal of molecular neuroscience : MN》2017,61(3):412-422
17β-Estradiol (E2) rapidly, by binding to membrane estrogen receptors, activates cell signaling cascades which induce formation of new dendritic spines in the hippocampus of males as in females, but the interaction with other metabolic processes, such as extracellular adenine nucleotides metabolism, are currently unknown. Extracellular adenine nucleotides play significant roles, controlling excitatory glutamatergic synapses and development of neural circuits and synaptic plasticity. Their precise regulation in the synaptic cleft is tightly controlled by ecto-nucleoside triphosphate diphosphohydrolase (NTPDase)/ecto-5′-nucleotidase (eN) enzyme chain. Therefore, we sought to clarify whether a single systemic injection of E2 in male rats is accompanied by changes in the expression of the pre- and postsynaptic proteins and downstream kinases linked to E2-induced synaptic rearrangement as well as alterations in NTPDase/eN pathway in the hippocampal synaptosomes. Obtained data showed activation of mammalian target of rapamycin and upregulation of key synaptic proteins necessary for spine formation, 24 h after systemic E2 administration. In E2-mediated conditions, we found downregulation of NTPDase1 and NTPDase2 and attenuation of adenine nucleotide hydrolysis by NTPDase/eN enzyme chain, without changes in NTPDase3 properties and augmentation of synaptic tissue-nonspecific alkaline phosphatase (TNAP) activity. Despite reduced NTPDase activities, increased TNAP activity probably prevents toxic accumulation of ATP in the extracellular milieu and also hydrolyzes accumulated ADP due to unchanged NTPDase3 activity. Thus, our initial evaluation supports idea of specific roles of different ectonucleotidases and their coordinated actions in E2-mediated spine remodeling and maintenance. 相似文献
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Planjar-Prvan M Granić D 《Acta medica Croatica : c?asopis Hravatske akademije medicinskih znanosti》2005,59(1):75-77
The choice of AED (antiepileptic drug), worldwide and in Croatia, is been still based on the physician's subjective decision, personal experience, knowledge and marketing pressure made by big pharmaceutical industries. Therefore, according to some opinions, there is a need of treatment guidelines for epilepsy that would provide relevant information based on scientific evidence on the efficacy, tolerability and safety of AEDs. The guidelines, published by a competent source, should be designed as to allow for easy access to the information on the best practice in specific cases. An extensive background literature review was made to identify such a type of guidelines for the management of epilepsy. The literature review revealed a number of references with the recommendations for treating epilepsy in different groups of patients and from various, specific aspects of epilepsy treatment. However, only one comprehensive set of guidelines for the diagnosis and treatment of epilepsy treatment was found, i.e. the evidence-based guidelines published by the Scottish Intercollegiate Guidelines Network (SIGN). The development of this set of guidelines is quite extensively described in order to illustrate how rigorous and long-lasting the process was, including a great number of health professionals at the national level. Such a type of well designed guidelines facilitates access to highest educational standards for all professionals involved in the primary and secondary care of people with epilepsy. However, it is clear that guidelines can fully replace the standards of clinical practice based on critical evaluation and integration of all clinical data of each individual patient. No guidelines can replace the physician's obligation to keep informed of the novel achievements in the epileptology either. 相似文献
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This case report presents the epileptic encephalopathy in an 11-year-old girl with multilobar unilateral polymicrogyria and focal nonconvulsive status epilepticus where high epileptogenicity was responsible for progressive and severe cognitive dysfunction. Nonconvulsive status epilepticus in epileptic encephalopathy with unilateral multilobar polymicrogyria has not been reported previously. 相似文献