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| 1 | Ulcerative colitis显示文摘 | Ingrid Ordás Lars Eckmann Mark Talamini Daniel C Baumgart William J Sandborn | 2012 | The Lancet2012，，9853： | 5 |
| 2 | Silvicultural alternatives to conventional even-aged forest man-agement-what limits global adoption?显示文摘Background: The development of forestry as a scientific and management discipline over the last two centuries has mainly emphasized intensive management operations focused on increased commodity production, mostly wood. This 'conventional' forest management approach has typically favored production of even-aged, single-species stands. While alternative management regimes have generally received less attention, this has been changing over the last three decades, especially in countries with developed economies. Reasons for this change include a combination of new information and concerns about the ecological consequences of intensive forestry practices and a willingness on the part of many forest owners and society to embrace a wider set of management objectives. Alternative silvicultural approaches are characterized by a set of fundamental principles, including avoidance of clearcutting, an emphasis on structural diversity and small-scale variability, deployment of mixed species with natural regeneration,and avoidance of intensive site-preparation methods.Methods: Our compilation of the authors' experiences and perspectives from various parts of the world aims to initiate a larger discussion concerning the constraints to and the potential of adopting alternative silvicultural practices.Results: The results suggest that a wider adoption of alternative silvicultural practices is currently hindered by a suite of ecological, economic, logistical, informational, cultural, and historical constraints. Individual contexts display their own unique combinations and relative significance of these constraints, and accordingly, targeted efforts, such as regulations and incentives, may help to overcome specific challenges.Conclusions: In a broader context, we propose that less emphases on strict applications of principles and on stand structures might provide additional flexibility and facilitate the adoption of alternative silvicultural regimes in a broader set of circumstances. At the same time, the acceptance of alternative silvicultural systems as the 'preferred or default mode of management' wil necessitate and benefit from the continued development of the scientific basis and valuation of a variety of ecosystem goods and services. This publication is aimed to further the discussion in this context. | Klaus J Puettmann Scott McG Wilson Susan C Baker Pablo J Donoso Lars Dr?ssler Girma Amente Brian D Harvey Thomas Knoke Yuanchang Lu Susanna Nocentini Francis E Putz Toshiya Yoshida Jürgen Bauhus | 2015 | Forest Ecosystems2015，2，2： | 4 |
| 3 | Ulcerative colitis显示文摘 | Ingrid Ordás Lars Eckmann Mark Talamini Daniel C Baumgart William J Sandborn | 2012 | 2012 (9853)2012，，9853： | 3 |
| 4 | Ulcerative colitis显示文摘 | Ingrid Ordás Lars Eckmann Mark Talamini Daniel C Baumgart William J Sandborn | 2012 | The Lancet . 2012 (9853)2012，，： | 2 |
| 5 | Salpingotomy versus salpingectomy in women with tubal pregnancy (ESEP study): an open-label, multicentre, randomised controlled trial显示文摘 | Femke Mol Norah M van Mello Annika Strandell Karin Strandell Davor Jurkovic Jackie Ross Kurt T Barnhart Tamer M Yalcinkaya Harold R Verhoeve Giuseppe C M Graziosi Carolien A M Koks Ingmar Klinte Lars Hogstr?m Ineke C A H Janssen Harry Kragt Annemieke Hoek | 2014 | The Lancet2014，，： | 2 |
| 6 | Ulcerative colitis显示文摘 | Ingrid Ordás Lars Eckmann Mark Talamini Daniel C Baumgart William J Sandborn | 2012 | The Lancet2012，，9853： | 2 |
| 7 | Propranolol for severe hemangiomas of infancy显示文摘 | Léanté-Larèze C Dumas de la Roque E Huhiche T | | 0，，24： | 1 |
| 8 | Facile labelling of an an- ti-epidermal growth factor receptor nanobody with 68Ga via a novel bifunctional desferal chelate for immuno-PET显示文摘 | Maria J W Lars R P Rob C | 2011 | Eur J Nucl Med Mol Ima2011，，38： | 1 |
| 9 | Ulcerative colitis显示文摘 | Ingrid Ordás Lars Eckmann Mark Talamini Daniel C Baumgart William J Sandborn | 2012 | The Lancet2012，，9853： | 1 |
| 10 | Boundary conditions for the diffusion equation in radiative transfer 显示文摘 | Lars O Svaasand | 1994 | 11:2727-27411994，11，： | 1 |
| 11 | Scalability of multiwavelength switching networks: Crosstalk analysis显示文摘 | Popp L C Mats G | 1999 | Journal of lightwave technology1999，17，1： | 1 |
| 12 | Carbon and nitrogen in forest floor and mineral soil under six common European tree species 显示文摘 | Lars V Inger K S Ingeborg C | 2008 | Forest Ecology and Management2008，255，： | 1 |
| 13 | Impact of dronedamne in atrial ibrillation and lutter on stroke reduction显示文摘 | CHRISTINE C B TORP-PEDERSEN C LARS KOBER | 2010 | Clin Interv Ag2010，5，： | 1 |
| 14 | Numerical simulation of flow around a smooth circular cylinder at very high Reynolds numbers显示文摘 | Muk C O Torbjorn U Lars E H | 2009 | Marine Structures2009，22，2： | 1 |
| 15 | Deposition of composite titanic vanadia thin films by chemical bath deposition显示文摘 | Rudolf C H lars P H J Stefanie W | 2004 | Chem Vialer2004，16，22： | 1 |
| 16 | Microbialhyaluronic acid production显示文摘 | Barrie F C Lars M B Richard M | | 0，，04： | 1 |
| 17 | Bone-targeted radium-223 in symptomatic, hormone-refractory prostate cancer: a randomised, multicentre, placebo-controlled phase II study显示文摘 | Sten Nilsson Lars Franzén Christopher Parker Christopher Tyrrell René Blom Jan Tennvall Bo Lennern?s Ulf Petersson Dag C Johannessen Michael Sokal Katharine Pigott Jeffrey Yachnin Michael Garkavij Peter Strang Johan Harmenberg Bj?rg Bolstad ?yvind S Brula | 2007 | Lancet Oncology2007，，7： | 1 |
| 18 | On the Mechanism of Hot Deformation 显示文摘 | Se|lars C M Tegart W J M | 1966 | Acta Metallurgica1966，14，9： | 1 |
| 19 | CD4 ( + ) CD25 ( + ) FoxP3 ( + ) regulatory T cells suppress Mycobac- terium tuberculosis immunity in patients with active disease显示文摘 | Chen X Zhou B Li M Deng Q Wu X Le X Wu C Lar monier N Zhang W Zhang H Wang H Katsanis E | 2007 | Clin Immunol2007，123，1： | 1 |
| 20 | FamiLiaL cancer history in patients with carcinoma of the cervix uteri 显示文摘 | Lars C H Georgios R | 2002 | Eur J Obstet GynoL Reprod BioL2002，101，： | 1 |
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