نتایج جستجو برای: braun blanquet method
تعداد نتایج: 1631924 فیلتر نتایج به سال:
BACKGROUND The present study investigates the clinical impact of Braun anastomosis on delayed gastric emptying (DGE) after pylorus-preserving pancreaticoduodenectomy (PPPD). METHODS From February 2013 to June 2014, 60 patients were recruited for this randomized controlled trial. The incidence of DGE and its risk factors were analyzed according to whether or not Braun anastomosis was used afte...
February 19, 2015 Version 1.20 Title Data Analysis And Graphics data and functions Author John H. Maindonald and W. John Braun Maintainer W. John Braun Description various data sets used in examples and exercises in the book Maindonald, J.H. and Braun, W.J. (2003, 2007, 2010) ``Data Analysis and Graphics Using R''. LazyLoad true LazyData true Depends R (>= 2.10.0), lattice ...
Este trabajo da cuenta de un estudio detallado la diversidad, composición florística, ecología y caracterización fitosociológica del hábitat interés comunitario prioritario a nivel europeo (HIC) 91D0* en los Pirineos. Se ha realizado partir 23 inventarios tomados según metodología Braun-Blanquet, desde el valle Benasque (Pirineo central) hasta comarca Cerdaña oriental). Los resultados muestran ...
BACKGROUND Whipple surgery (pancreaticodeudenectomy) has a high complication rate. We aimed to evaluate whether adding Braun jejunojejunostomy (side-to-side anastomosis of afferent and efferent loops distal to the gastrojejunostomy site) to a standard Whipple procedure would reduce postoperative complications. METHODS We conducted a randomized clinical trial comparing patients who underwent s...
As a result of human activity, the rate extinction species is now 100 to 1000 times faster than under natural conditions [1]. According FAO, 75% genetic diversity agricultural crops worldwide has been lost since 1990. In Poland, about field weeds are in danger extinction. Archaeophytes growing on heavy calcareous soils, which characteristic Lathyro-Melandrietum noctiflori, Caucalido-Scandicetum...
This paper concerns itself with the study of sand beaches of the Boujagh National Park with an area of 3477 ha. The purposes of this study include the determination of the plant species diversity and plant groups. In ad-dition, the determination of the impact of environmental and specific variables on the presence or absence of certain species and their communities is another aim that the study...
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