Mostrando 2,261 - 2,280 Resultados de 28,640 Para Buscar '"Canada"', tiempo de consulta: 0.23s Limitar resultados
  1. 2261
    “…CONCLUSION: This study demonstrates that RYO tobacco use is not a negligible problem within Canada and provides valuable new insight for developing future tobacco control initiatives for this population of smokers.…”
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  2. 2262
    “…OBJECTIVES: In this study we assessed the association between TRAP and mortality in Toronto, Ontario, Canada. METHODS: We collected nitrogen dioxide samples over two seasons using duplicate two-sided Ogawa passive diffusion samplers at 143 locations across Toronto. …”
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  3. 2263
    “…BACKGROUND: Despite the growing availability of clinical practice guidelines since the early 1990's, little is known about how guideline development and dissemination may have changed over time in Canada. This study compares Canadian guideline development, dissemination, and evaluation in two six year periods from 1994–1999 and 2000–2005. …”
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  4. 2264
    “…Tobacco use remains the leading cause of death and disability in Canada. Insufficient research capacity can inhibit evidence-informed decision making for tobacco control. …”
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  5. 2265
    “…The aim of this paper is to describe the one-year survival rates for breast cancer in two populations using population-based cancer registries: Ardabil, Iran, and British Columbia (BC), Canada. METHODS: All newly diagnosed cases of female breast cancer were identified in the Ardabil cancer registry from 2003 to 2005 and the BC cancer registry for 2003. …”
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  6. 2266
    “…INTRODUCTION: We investigated ethnic and geographic variations in major chronic diseases and risk factors in northern Canada, an area that is undergoing rapid changes in its social, cultural, and physical environments. …”
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  7. 2267
  8. 2268
    “…To ensure the continued effectiveness of extended-spectrum cephalosporins for treating serious infections in humans, multidisciplinary efforts are needed to scrutinize and, where appropriate, limit use of ceftiofur in chicken production in Canada.…”
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  9. 2269
    “…The Canadian Society for Exercise Physiology, in partnership with the Public Health Agency of Canada, has initiated a review of their physical activity guidelines to promote healthy active living for Canadian children, youth, adults and older adults; previous guidelines were released in 2002, 2002, 1998 and 1999 respectively. …”
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  10. 2270
  11. 2271
    “…This paper reports the results of an investigation of the potential monetary benefits of allowing foods enriched with plant sterols to be marketed in Canada. OBJECTIVE: The objective of this research was to estimate the annual savings that would accrue to Canada's single-payer publicly funded health care system if plant sterols were approved for use. …”
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  12. 2272
    “…In this study, neighbourhood variations in health outcomes are compared across four socially contrasting neighbourhoods in Glasgow, Scotland and Hamilton, Ontario Canada. Data came from the 2001 wave of the West of Scotland Twenty-07 Longitudinal Study and a 2000/2001 cross-sectional survey conducted in Hamilton. …”
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  13. 2273
    “…In the mid-1990s, yellow perch (Perca flavescens) and common loons (Gavia immer) from Kejimkujik National Park and National Historic Site (KNPNHS), Nova Scotia, Canada, had among the highest mercury (Hg) concentrations across North America. …”
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  14. 2274
    “…BACKGROUND: There is mounting concern over increasing rates of physical inactivity and overweight/obesity among children and adult in Canada. There is a clear link between the amount of walking a person does and his or her health. …”
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  15. 2275
    por Fernández-Triana, Jose L.
    Publicado 2010
    “…Based on the study of 12,000+ specimens, an annotated checklist of 28 genera and 225 species of Microgastrinae braconids from Canada and Alaska is provided, increasing by 50% the number of species for the region. …”
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  16. 2276
  17. 2277
  18. 2278
    “…BACKGROUND: An important but understudied component of Canada's health system is alternative care. The objective of this paper is to examine the geographic and socio-demographic characteristics of alternative care consultation in Ontario, Canada's largest province. …”
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  19. 2279
    “…We conducted a cohort study over 12 influenza seasons (1996–1997 through 2007–2008) of 82545 respondents to population health surveys in Ontario, Canada. We included individuals aged 18–64 years who had responded to a survey within 5 years prior to the start of an influenza season. …”
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  20. 2280
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