Mostrando 3,581 - 3,600 Resultados de 28,640 Para Buscar '"Canada"', tiempo de consulta: 0.24s Limitar resultados
  1. 3581
  2. 3582
    “…BACKGROUND: Shorter growing season and water stress near wheat maturity are the main factors that presumably limit the yield potential of spring wheat due to late seeding in Saskatchewan, Canada. Advancing seeding dates can be a strategy to help producers mitigate the impact of climate change on spring wheat. …”
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  3. 3583
  4. 3584
    “…BACKGROUND: In order to inform meningococcal disease prevention strategies, we analysed the epidemiology of invasive meningococcal disease (IMD) in the province of Quebec, Canada, 10 years before and 10 years after the introduction of serogroup C conjugate vaccination. …”
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  5. 3585
    “…To reconcile the niche breadth paradigm we contrasted both models by developing range-wide species distribution models for Canada lynx, Lynx canadensis, and bobcat, Lynx rufus. …”
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  6. 3586
    “…We examined public health and economic impacts of a PCV10 and PCV13 pediatric national immunization programs (NIPs) in Canada. METHODS: A decision-analytic model was developed to examine the costs and outcomes associated with PCV10 and PCV13 pediatric NIPs. …”
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  7. 3587
    “…METHODS: This population-based study used linked health administrative data from Ontario, Canada. Individuals, aged 20 years or older, who had a valid health card, were included. …”
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  8. 3588
  9. 3589
  10. 3590
  11. 3591
    “…Adults aged 30–64 years who were free of diabetes and living in Toronto, Canada, on 31 March 2005 were identified from administrative health databases and followed until 31 March 2010 for the development of diabetes, using a validated algorithm. …”
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  12. 3592
  13. 3593
  14. 3594
    “…BACKGROUND: An unusually high incidence of aseptic meningitis caused by enteroviruses was noted in Alberta, Canada between March and October 2010. Sequence based typing was performed on the enterovirus positive samples to gain a better understanding of the molecular characteristics of the Coxsackie A9 (CVA-9) strain responsible for most cases in this outbreak. …”
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  15. 3595
    “…BACKGROUND: In the Canadian context, health care services are governed by the Canada Health Act, which ensures that primary care doctors, specialists, hospitals and dental surgeries are covered through provincial health insurance plans. …”
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  16. 3596
  17. 3597
    “…BACKGROUND: This study estimated the modal shift associated with the implementation of a public bicycle share program in Montreal, Canada. METHODS: A population-based sample of adults participated in two cross sectional telephone surveys. …”
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  18. 3598
    “…In 2010, we undertook a parallel case study using qualitative, in-depth interviews with new mothers and focus groups with public health key informants in two Public Health Units in Ontario Province, Canada. We found that the concern about environmental hazards among participants ranged from having no concerns to actively incorporating prevention into daily life. …”
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  19. 3599
    “…Evaluation of the ecological status of river sites in Canada is supported by building models using the reference condition approach. …”
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  20. 3600
    “…DISCUSSION: This first study of experiences among rural and urban abortion providers in Canada identifies addressable challenges faced by rural physicians. …”
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