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1.
Murat Hamit Aytar Fikret Doğulu Berker Cemil Ertan Ergün Gökhan Kurt Kemali Baykaner 《Child's nervous system》2007,23(6):719-721
Introduction Iniencephaly, a neural tube defect involving occiput and inion and combined with rachischisis of the cervical, thoracic spine,
and retroflexion position of the head is a very rare congenital abnormality of the fetus–newborn with a 0.1–10 of 10,000 prevalence.
This abnormality’s prognosis is thought to be dismal. This abnormality can be associated with other abnormalities such as
anencephaly, encephalocele, hydrocephalus, cyclopia, absence of the mandible, cleft lip and palate, cardiovascular disorders,
diaphragmatic hernia, renal abnormalities, overgrowth of the arms compared to the legs, and club food and gastrointestinal
atresia.
Discussion Most of the patients are dead born, and the others die in a few hours. There are only six previously documented long-term
survivors. In our case, our patient with iniencephalic signs and findings is still living. She is 2 years old now. We think
that this patient presents a mild form of iniencephaly. 相似文献
2.
CEEG mapping in drug-free schizophrenics. Differences from healthy subjects and changes induced by haloperidol treatment. 总被引:1,自引:0,他引:1
A topographic CEEG investigation was carried out in 20 drug-free, DSM-IIIR diagnosed schizophrenics and in a group of matched healthy controls. The effects of acute and chronic haloperidol treatment were then assessed in the patient group. On the baseline recording, schizophrenics showed a widespread increase in delta, theta 1 and beta 3 amplitude. Acute haloperidol administration produced a decrease in delta and an increase in slow beta amplitude. After 28 days of treatment, delta and fast beta were reduced while theta 2 and alpha 1 were increased. CEEG abnormalities in schizophrenic subjects appear, therefore, to be reduced by chronic neuroleptic treatment. 相似文献
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N. Çeviker M. K. Baykaner M.D. I. S. Keskil H. Sencer Ö. Ataoğlu M. Özsoy Z. S. Ercan 《Acta neurochirurgica》1995,132(1-3):104-109
Summary In this study intra-arterial Endothelin-1 was applied to rabbit basilar arteries and morphological findings were compared between two groups who were either perfusion fixed or immersion fixed. We planned to establish the quantitative dimension of the drug-induced morphological alterations, independent of the fixation technique's effect.There was an abundance of collagenous fibres deposited among the smooth muscle cells which was not observed in control arteries and after immersion fixation. These degenerative changes are similar to the finding following subarachnoid haemorrhage. The only fixation-related difference was the fact that lamina elastica interna was not corrugated in the perfusion fixation group.It is concluded that, the observed changes in the connective tissue of the arterial wall alter the passive elastic properties and so affect the degree of the response to the vasoactive messengers. 相似文献
5.
The ventricular sulcal pattern and the cytoarchitectonic organization of the brain stem of the frogs Rana esculenta and Rana catesbeiana have been studied in transversely cut, Nissl stained serial sections. Four longitudinal sulci, the sulcus medianus inferior, the sulcus intermedius ventralis, the sulcus limitans and the sulcus medianus superior could be distinguished in both species. A fifth longitudinal groove, the sulcus intermedius dorsalis, was found only in Rana esculenta. With the aid of the usual cytoarchitectonic criteria 25 cell masses have been delineated in Rana esculenta and 27 in Rana catesbeiana. These cell masses can be distributed over the following categories (numbers added in brackets for Rana catesbeiana, if different from those in Rana esculenta): primary efferent or motor, 8; primary afferent or sensory, 4(6); "relay" centers, 7. Contrary to statements in the literature the reticular formation can be divided into six separate cell groups. The majority of the nuclei form part of the central gray, which constitutes a rather wide zone in anurans; three reticular nuclei lie partly within the stratum griseum and partly within the stratum album; six nuclei are entirely embedded in the stratum album. The morphological pattern of the cell masses and their relationship to the ventricular sulci were studied with the aid of a graphical reconstruction procedure termed topological analysis (cf. Nieuwenhuys, '74 and figs. 15, 16). This analysis yielded the following results: The sulcus limitans extends throughout the rhombencephalon, dividing this brain part into a basal plate and an alar plate. The cell masses in the basal plate fit into two longitudinal zones, a medial area ventralis and a lateral area intermedioventralis. The area ventralis contains three somatic motor nuclei (IV, VI and XII) and the rhombencephalic medial reticular zone. The latter may be primarily considered as a somatic motor coordinating center. The area intermedioventralis contains the visceral motor nuclei of V, VII, IX and X. However, the basal plate also contains a number of non-motor centers, for example the superior olive. The alar plate contains visceral sensory, general somatic sensory and special somatic sensory centers. Two cell masses, the nucleusfasciculi solitarii and the nucleus visceralis secundarius, represent together a discontinuous visceral sensory zone. Both of these nuclei are situated immediately dorsal to the sulcus limitans. The special somatic sensory area, i.e., the area of termination of the eighth nerve, occupies a considerable part of the alar plate. This area comprises, apart from a large zone of diffuse gray, three distinct cell masses... 相似文献
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8.
Alp Özgün Börcek Hakan Emmez Koray M. Akkan Özgür Öcal Gökhan Kurt Şükrü Aykol Eray Karahacioğli Kemali M. Baykaner 《Child's nervous system》2014,30(9):1485-1492
Objective
The authors present the results of Gamma Knife stereotactic radiosurgery performed in a series of children with arteriovenous malformations (AVMs).Methods
Between June 2005 and January 2014, 75 patients 18 years old or younger received Gamma Knife radiosurgery for AVMs. Of these, 58 patients were eligible for further analysis. The median age of the population was 12 years; 41 % presented with hemorrhage, 34 % with neurological insult, and 24 % patients were diagnosed incidentally. The median AVM volume was 3.5 cm3. The median radiosurgery-based AVM score (RSBAVMS) was 0.86. The median follow-up period was 32 months.Results
Single session Gamma Knife radiosurgery resulted in complete AVM obliteration in 40 (68.9 %) patients. There were 35 (60.3 %) excellent outcome (complete obliteration with no new deficits) in this series. During the follow-up period, nine (15.51 %) patients experienced new deficits and three (5.1 %) patients experienced intracranial hemorrhage. The annual rate of developing new deficits and hemorrhage was calculated as 5.45 and 1.8 %, respectively. Volume, gender, RSBAVMS, and nidus type factor were factors associated with excellent outcome.Conclusions
Radiosurgery was successful in majority of patients with minimal morbidity. Gamma Knife radiosurgery for AVMs can be a safe and successful method in pediatric patients. 相似文献9.
K. Gücüyener M. K. Baykaner I. S. Keskil A. Hasanoğlu E. Ilgit U. Beyazova 《Pediatric radiology》1993,23(2):153-154
A patient with multiple intracranial tuberculomas mimicking aneurysms is reported. The diagnosis was established by CT during the treatment of tuberculous meningitis. Anti-tuberculous therapy was continued until the radiological resolution of the lesions. A discussion of previous reports on the non-operative treatment of intracranial tuberculomas is included. 相似文献
10.
The aim of this study is to examine and compare the effects of topical prostacyclin and prostaglandin E1 on flap survival after nicotine application in rats. In the designed experiment, group 1 was treated with 1 mL saline, and groups 2, 3, and 4 were treated with 2 mg/kg of nicotine subcutaneously for 4 weeks. At the end of 4 weeks, surgery was done, and topical applications of vaseline base on groups 1 and 2, prostacyclin (PgI2-iloprost) on group 3, and prostaglandin E1 (PgE1-misoprostol) on group 4 were performed. At the end of the seventh day following the operation, all survival areas in all groups were identified. For groups 1, 2, 3, and 4, survival areas were measured as 59.05% +/- 5.13%, 50.40% +/- 4.74%, 67.89% +/- 4.69%, and 62.45% +/- 7.80%, respectively. As a result, the authors concluded that survival areas can be increased with topical applications of these prostaglandins on the flaps (that are under nicotine effect), and there were no differences between these 2 medications in terms of flap survival. 相似文献