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| 1 | POLYNOMIAL INVERSE INTEGRATING FACTORS显示文摘Let (P, Q) be a C1 vector field defined in an open subset U IR2. We call inverse integrating factor a C1 solution V(x, y) of the equation . In previous works it has been shown that this function plays an important role in the problem of the center and in the determination of limit cycles. In this paper we obtain necessary conditions for a polynomial vector field (P, Q) to have a polynomial inverse integrating factor. | J.Chavarriga, H.Giacomini & J.Gine (Departament de Matematica, Universitat de Lleida. Av. Jaume Ⅱ, 69, 25001 Lleida,Spain Laboratoire de Mathematiques et Physique Theorique C.N.R.S. UPRES A6083. Faculte des Sciences et Techniques. Universite de Tours. P | 2000 | Annals of Differential Equations2000，16，4： | 8 |
| 2 | Pandemic influenza 2009: Impact of vaccination coverage on critical illness in children, a Canada and France observational study显示文摘AIM To study the impact of vaccination critical illness due to H1N1pdm09, we compared the incidence and severity of H1N1pdm09 infection in Canada and France.METHODS We studied two national cohorts that included children with documented H1N1pdm09 infection, admitted to a pediatric intensive care unit(PICU) in Canada and in France between October 1, 2009 and January 31, 2010.RESULTS Vaccination coverage prior to admission to PICUs was higher in Canada than in France(21% vs 2% of children respectively, P < 0.001), and in both countries, vaccination coverage prior to admission of these critically ill patients was substantially lower than in the general pediatric population(P < 0.001). In Canada, 160 children(incidence = 2.6/100000 children) were hospitalized in PICU compared to 125 children(incidence = 1.1/100000) in France(P < 0.001). Mortality rates were similar in Canada and France(4.4% vs 6.5%, P = 0.45, respectively), median invasive mechanical ventilation duration and mean PICU length of stay were shorter in Canada(4 d vs 6 d, P = 0.02 and 5.7 d vs 8.2 d, P = 0.03, respectively). H1N1pdm09 vaccination prior to PICU admission was associated with a decreased risk of requiring invasive mechanical ventilation(OR = 0.30, 95%CI: 0.11-0.83, P = 0.02).CONCLUSION The critical illness due to H1N1pdm09 had a higher incidence in Canada than in France. Critically ill children were less likely to have received vaccination prior to hospitalization in comparison to general population and children vaccinated had lower risk of ventilation. | Olivier Fléchelles Olivier Brissaud Robert Fowler Thierry Ducruet Philippe Jouvet the Pediatric Canadian Critical Care Trials Group H1N1 Collaborative and Groupe Francophone de Réanimation et Urgences Pédiatriques | 2016 | World Journal of Clinical Pediatrics2016，5，4： | 2 |
| 3 | al, Silicon nitride chemical vapor deposition from dichlorosilane and ammonia:Theoretical study of surface structures and reaction mechanism显示文摘 | Bagatur'yants A A Novoselov K P Safonov A A et | 2001 | Surface Science2001，486，3： | 2 |
| 4 | 缺血性脑卒中的A—S-C—O(表型)分类显示文摘背景和目的:国际5国脑血管病专家提出一种新的脑卒中亚型分类法,旨在介绍完整的“脑卒中表型”分类的新观念,该分类是包括脑卒中的病因和存在的所有病因相关的疾病,并将病因疾病按严重程度分成3级。这与TOAST等缺血性脑卒中亚型分类不同,只应用脑卒中最可能的病因分类。 | Amarenco P Bogousslavsky J Caplan LR,et al 李新 王纪佐 | 2010 | 中华神经科杂志2010，43，6： | 2 |
| 5 | Association between syndecan-1 expression and clinical outcome in squamous cell carcinoma of the head and neck显示文摘 | Inki P Joensuu H Grenman R et ol | 1994 | Br J Cancer1994，70，2： | 1 |
| 6 | Inflammatory cytokines stimulated C-reactive protein production by human coronary artery smooth muscle cells显示文摘 | CALABRO P WILLERSON JT YEH ET | 2003 | Circulation2003，108，16： | 1 |
| 7 | CD95 (Fas)-dependen elimination of self-reactive B cells upon interaction with CD4+T cells 显示文摘 | Rathmell JC Cooke M P Ho W Y et aI | 1995 | Nature1995，376，6536： | 1 |
| 8 | Monochromatic excimer light (308 nm) : an immunohistochemical study of cutaneous T cells and apoptosis related molecules in psoriasis显示文摘 | Bianchi B Campolmi P Mavilia L et at | 2003 | J Eur Acad Dermatol Venereol2003，17，： | 1 |
| 9 | Detailed measurements of local heat transfer coefficient and adiabatic wall temperature beneath an array of impingement jets 显示文摘 | Van Treuren K Wang Z Ireland P et aI | 1995 | Journal of Turbomachinery1995，116，2： | 1 |
| 10 | U373-MG response to interleukin-1 t-induced oxidative stress 显示文摘 | MALAPLATE-ARMAND C GUEGUEN Y BERTRAND P et al | 2000 | Cell Biol Toxicol2000，16，3： | 1 |
| 11 | The effect of Y on glass forming ability显示文摘 | Zhang J Tan H Feng Y P et ol | 2005 | Scripta Materialia2005，53，： | 1 |
| 12 | Conformal dome correction with counterrotating phase plates 显示文摘 | SPARROLD S W Mills J P Knapp D J et at | 2000 | Opt Eng2000，39，： | 1 |
| 13 | Characterization of the glucuronide conjugate of cotinine: A previously unidentified major metabolite of nicotine in smoker urine 显示文摘 | Caldwell W S Crooks P A Bhatti B S et ol | 1992 | Chem Res Toxicol1992，5，： | 1 |
| 14 | Molecular cloning and characterization of isomultiflorenol synthase, a new triterpene synthase from Luffa cylindrica, involved in biosynthesis of bryonolic acid显示文摘 | Huang P Inoue K et al | 2001 | Eur J Biochem2001，268，： | 1 |
| 15 | Chartcteristics of heavy metal in contaminated soils显示文摘 | YALAGADDA P Y MATSUMOTO M R VANBENSCHOTEN J E Et al | 1995 | J Environ Eng1995，，121： | 1 |
| 16 | Matrix gla protein is regulated by a mechanism functionally related to the calcium-sensing receptor显示文摘 | Farzaneh Far A Proudfoot D Weissberg P L et al | 2000 | Biochem Biophys Res Commun2000，277，3： | 1 |
| 17 | Influence of circadian rhythm on fetal and maternal Doppler parameters--is a diurnal variation detectable?显示文摘 | STABOULIDOU I WüSTEMANN M SCHMIDT P et al | 2008 | Z Geburtshilfe Neonatol2008，212，2： | 1 |
| 18 | Catheter-related microbacterium bacteremia identified by 16 S rRNA gene sequencing显示文摘 | Lau K P Woo C Y Moo M Y et a1 | 2002 | Clin Microbiol2002，40，7： | 1 |
| 19 | Family and psychosocial risk factors in a longitudinal epidemiological study of adolescents显示文摘 | Cuffe S P Mckeown R E Addyc L et a1 | 2005 | J Am Acad Child Adolesc Psy-chiatry2005，44，2： | 1 |
| 20 | The pleiotropic effects of statins显示文摘 | Calabro P Yeh ET | 2005 | Curr Opin Cardiol2005，20，6： | 1 |
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