全文获取类型
收费全文 | 215篇 |
免费 | 7篇 |
国内免费 | 7篇 |
专业分类
儿科学 | 35篇 |
妇产科学 | 3篇 |
基础医学 | 10篇 |
口腔科学 | 5篇 |
临床医学 | 23篇 |
内科学 | 27篇 |
皮肤病学 | 1篇 |
神经病学 | 8篇 |
特种医学 | 50篇 |
外科学 | 15篇 |
综合类 | 2篇 |
预防医学 | 1篇 |
眼科学 | 1篇 |
药学 | 35篇 |
肿瘤学 | 13篇 |
出版年
2021年 | 1篇 |
2019年 | 4篇 |
2017年 | 1篇 |
2016年 | 1篇 |
2015年 | 3篇 |
2014年 | 5篇 |
2012年 | 6篇 |
2011年 | 1篇 |
2010年 | 11篇 |
2009年 | 5篇 |
2008年 | 6篇 |
2007年 | 8篇 |
2006年 | 8篇 |
2005年 | 7篇 |
2004年 | 3篇 |
2003年 | 3篇 |
2002年 | 2篇 |
2001年 | 5篇 |
2000年 | 5篇 |
1999年 | 3篇 |
1998年 | 10篇 |
1997年 | 8篇 |
1996年 | 14篇 |
1995年 | 13篇 |
1994年 | 5篇 |
1993年 | 7篇 |
1992年 | 3篇 |
1991年 | 6篇 |
1990年 | 4篇 |
1989年 | 11篇 |
1988年 | 10篇 |
1987年 | 4篇 |
1986年 | 8篇 |
1985年 | 5篇 |
1984年 | 6篇 |
1982年 | 6篇 |
1981年 | 7篇 |
1980年 | 5篇 |
1979年 | 2篇 |
1978年 | 1篇 |
1977年 | 2篇 |
1976年 | 2篇 |
1975年 | 2篇 |
排序方式: 共有229条查询结果,搜索用时 15 毫秒
1.
Further study on the vascular basis for the reimplantation of the hand amputated through the palm 总被引:1,自引:0,他引:1
Summary Based on the anatomic data obtained from earlier studies on the vascular anatomy of the hand, the vascular architecture in the palm of the hand was studied on 60 sides of unembalmed adult upper extremities. Each palm was divided into 64 squares by 8 sagittal and 8 transverse sections. The vascular architecture in these squares and the arterial relations between them were observed and measured by angiography, operative microscopic dissection and computerised three-dimensional reconstruction. According to the pattern of the blood-vessels, the amputated palms can be classified into 4 types. The anatomic basis for the vascular anastomosis in each type is defined. There are three key-areas for the blood-supply of the palm and their significance is discussed. Apart from the 4 types of transversely amputated palms, the repair programe of the blood-vessles in 4 types of common obliquely amputated palms are also discussed.
Etude complémentaire de l'anatomie vasculaire de la main pour la réimplantation des amputations transpalmaires
Résumé Sur la base de données anatomiques obtenues lors de précédents travaux sur l'anatomie vasculaire de la main, l'architecture vasculaire palmaire a été étudiée sur 60 extrémités supérieures de cadavres d'adultes, non embaumés. Chaque paume a été divisée en 64 carrés par 8 sections sagittales et 8 sections transversales. L'architecture vasculaire à l'intérieur des carrés et les relations artérielles entre eux ont été étudiées et mesurées par angiographie, dissection au microscope opérateur et reconstruction computérisée en 3D. Les paumes amputées ont été regroupées en 4 types d'après la distribution des vaisseaux sanguins. Les données anatomiques concernant les anastomoses vasculaires sont précisées. Il existe trois zones clés pour l'irrigation de la paume. Leur importance quant à l'irrigation de la main est exposée. Outre la division des paumes amputées transversalement en 4 types, le programme de réparation de vaisseaux dans les 4 types d'amputations obliques communes de la paume et aussi discuté.相似文献
2.
Septo-optic dysplasia and growth hormone deficiency: accelerated pubertal maturation during GH therapy 总被引:1,自引:0,他引:1
Susanna Freude H Frisch Daniela Wimberger Edith Schober Gabriele Häusler F Waldhauser F Aichner 《Acta paediatrica (Oslo, Norway : 1992)》1992,81(8):641-645
We report four patients (three male, one female) with septo-optic dysplasia and growth hormone deficiency. All had GH therapy for a period of four to eight years until reaching final height. In all four cases bone maturation during puberty was accelerated (1.4 to 1.9 "years"/year), resulting in a final height which was clearly below the predicted height. The progress of pubertal stages was very short in all patients. In three patients TSH and prolactin release after TRH stimulation were increased. These data support a hypothalamic original of the endocrine disorder. Insufficient GH release, even after repeated GHRH stimulation, is in contrast to this assumption. In one case there was a late manifestation of neurohormonal diabetes insipidus, which indicates the possibility of later disease progression. MR imaging of the brain demonstrated variable malformation of the septum pellucidum, chiasma and nervus opticus or the pituitary gland, respectively. 相似文献
3.
4.
Estimation of the false-negative rate in newborn screening for congenital adrenal hyperplasia 总被引:2,自引:0,他引:2
Votava F Török D Kovács J Möslinger D Baumgartner-Parzer SM Sólyom J Pribilincová Z Battelino T Lebl J Frisch H Waldhauser F;Middle European Society for Paediatric Endocrinology -- Congenital Adrenal Hyperplasia 《European journal of endocrinology / European Federation of Endocrine Societies》2005,152(6):869-874
OBJECTIVE: Newborn screening based on measurement of 17alpha-hydroxyprogesterone (17-OHP) in a dried blood spot on filter paper is an effective tool for early diagnosis of congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency. Its most important rationale is prevention of a life-threatening salt-wasting (SW) crisis; in moderate forms of CAH, early diagnosis and treatment may prevent permanent negative effects of androgen overproduction. Our target was to analyse if all CAH patients who had been identified clinically before puberty would have been detected by the newborn screening. METHODS: Newborn screening cards of 110 CAH patients born between 1988 and 2000 in five Middle-European countries and diagnosed prior to puberty (77 SW and 33 moderate) and cards from 920 random, healthy newborn controls were analysed. CAH screening had not yet been introduced during this time. The diagnosis was based on clinical and laboratory signs and, in most cases, on CYP21 gene mutation analysis. All 17-OHP measurements in dried blood spots were carried out using a time-resolved fluoroimmunoassay kit. RESULTS: In the newborn screening blood spots, the median of 17-OHP levels was 561 nmol/l (range 91-1404 nmol/l) in subjects with the SW form and 40 nmol/l (4-247 nmol/l) in the moderate form. All 77 SW patients would have been detected by newborn screening using the recommended cut-off limits (30 nmol/l). However, 10 of 33 patients with moderate CAH would have been missed. 17-OHP levels of all controls were below the cut-off. CONCLUSION: Newborn screening is efficient for diagnosing the SW form of CAH, but is inappropriate for identifying all patients with a moderate form of CAH. It appears that the false-negative rate is at least one-third in children with the moderate form of CAH. 相似文献
5.
Frisch H Waldhauser F Waldhör T Müllner-Eidenböck A Neupane P Schweitzer K 《The Journal of clinical endocrinology and metabolism》2004,89(9):4388-4390
Melatonin (MLT), the pineal gland hormone involved in the regulation of circadian rhythms, shows characteristic diurnal variation. Its physiological role in humans is not clear. Exposure to high altitudes may disrupt the circadian rhythm and lead to various endocrine changes. MLT in humans has not been studied under these conditions. Urinary 6-hydroxy-MLT sulfate (aMT6s) excretion was analyzed during the day (0700-2200 h) and night (2200-0700 h) phases. A cohort of 33 healthy volunteers, aged 19-65 yr, was studied during an ascent to a high altitude in the Himalayas on three occasions (at a lower altitude, at 3400 m, and after reaching maximal altitudes of 5600-6100 m). aMT6s excretion during the daytime remained unchanged during exposure to high altitudes. As expected, nocturnal values were higher than diurnal values at each point in time. However, there was a significant increase in nocturnal MLT excretion after the ascent to high altitudes. Ascent to high altitudes is associated with increased nocturnal excretion of aMT6s. The mechanism and physiological significance of this MLT increase are unclear. 相似文献
6.
7.
Robotics in otolaryngology and head and neck surgery: Recommendations for training and credentialing: A report of the 2015 AHNS education committee,AAO‐HNS robotic task force and AAO‐HNS sleep disorders committee
下载免费PDF全文
![点击此处可从《Head & neck》网站下载免费的PDF全文](/ch/ext_images/free.gif)
Neil D. Gross MD F. Christopher Holsinger MD J. Scott Magnuson MD Umamaheswar Duvvuri MD PhD Eric M. Genden MD Tamer AH. Ghanem MD PhD Kathleen L. Yaremchuk MD David Goldenberg MD Matthew C. Miller MD Eric J. Moore MD Luc GT. Morris MD James Netterville Gregory S. Weinstein MD Jeremy Richmon MD 《Head & neck》2016,38(Z1):E151-E158
8.
Bioavailability of oral melatonin in humans 总被引:6,自引:0,他引:6
F Waldhauser M Waldhauser H R Lieberman M H Deng H J Lynch R J Wurtman 《Neuroendocrinology》1984,39(4):307-313
We administered crystalline melatonin (80 mg) in gelatin capsules to 5 young male volunteers and measured serum and urinary melatonin levels at intervals. Changes in serum melatonin levels were best described by a biexponential equation with an absorption constant (ka) of 1.72 h-1 (half-life = 0.40 h) and an elimination constant (ke1) of 0.87 h-1 (half-life = 0.80 h). Peak serum melatonin levels, ranging from 350 to 10,000 times those occurring physiologically at nighttime, were observed 60-150 min after its administration, remaining stable for approximately 1.5 h. The fraction of ingested melatonin that was absorbed, estimated from the area under the curve describing serum melatonin concentrations as a function of time after melatonin administration (the concentration-time curve), varied by 25-fold among subjects. 3 additional volunteers received three melatonin-containing capsules (80 mg each) at 60-min intervals. This regimen extended the duration of elevated serum melatonin levels to 4-6 h. Melatonin excretion closely paralleled serum melatonin levels until 9 h after the hormone's administration, after which urinary levels tended to be higher than those predicted from serum levels. However, the area under the concentration-time curve for serum melatonin correlated well (r = 0.96) with the cumulative melatonin excretion during the initial 15 h after melatonin's administration, indicating that either approach can be used to estimate the absorption of orally administered melatonin. 相似文献
9.
Dr. R. Püspök O. Fohler N. Grois S. Otto E. Tatzer C. Waldhauser 《Monatsschrift für Kinderheilkunde》2014,162(10):892-902
Background
In both Austria and Germany the proportion of female pediatricians is increasing rapidly. The aim of this study was to explore if this “feminization of pediatrics” could have an influence on the temporal or qualitative supply of primary healthcare to children and adolescents.Material and methods
The study evaluated the extensive data gathered in an online survey among all members of the Austrian Society of Pediatrics who currently work in a practice. These data were evaluated to reveal potentially relevant differences in primary healthcare provided by female and male pediatricians and then further apportioned to panel and private practices.Results
The main gender differences concerning female pediatricians in a panel practice included less time resources, less availability during fringe and beyond regular office hours and a lower frequency of patients. On average women spent more time with an individual patient than men.Conclusion
The feminization of pediatrics is a fact also in Austria and it is increasing. In order to maintain the current level of healthcare it is necessary to reconsider and adapt the general conditions to allow women to work in a pediatric practice. 相似文献10.