Mostrando 1,801 - 1,820 Resultados de 8,657 Para Buscar '"Beijing"', tiempo de consulta: 0.19s Limitar resultados
  1. 1801
    “…We observed significant effects of particulate matter (PM(2.5)) on cause-specific mortality by applying a time-stratified case-crossover and lag-structure designs in Beijing over a nine-year study period (2005–2013). …”
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  2. 1802
  3. 1803
  4. 1804
    “…BACKGROUND: In September 2012, Beijing, the capital of China, selected five tertiary hospitals as pilots to remove the previously allowed 15% markup for drug sales. …”
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  5. 1805
    “…Methods: We performed a retrospective study of patients registering with the China’s National Free Antiretroviral Treatment Program from July 2012 to January 2017, followed at a tertiary care hospital in Beijing, China. The primary outcome was the proportion of subjects with HIV-1 RNA ≤40 copies/ml at 6 and 24 months of treatment. …”
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  6. 1806
    “…In this study we show how virulence affects host responses in mice during the first four weeks of infection with a mycobacterial strain belonging to the Beijing, East-African-Indian or Euro-American lineage. …”
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  7. 1807
    “…Methods: Information of married individuals aged over 16 y with a clear HBV vaccination status was extracted from the database constructed by the Beijing Center for Disease Prevention and Control from population-based investigation. …”
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  8. 1808
    “…The Beijing–Tianjin–Hebei (BTH) air pollution transmission channel and its surrounding areas are of importance to air pollution control in China. …”
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  9. 1809
  10. 1810
    “…METHODS: A retrospective cohort study of 335 people in 124 families and with at least one laboratory confirmed COVID-19 case was conducted from 28 February to 27 March 2020, in Beijing, China. The outcome of interest was secondary transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) within the family. …”
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  11. 1811
    “…Since the COVID-19 outbreak in Xinfadi market in Beijing in June 2020, large-scale screening of key populations has been carried out, challenging the nucleic acid testing capabilities of hospital laboratories. …”
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  12. 1812
    “…METHODS: Students of the Beijing Myopia Progression Study were examined at baseline and follow-up examinations, which included cycloplegic autorefraction. …”
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  13. 1813
    por Zhao, Shen, Xu, Yong
    Publicado 2021
    “…In this paper, based on long temporal coverage and high-quality nighttime light data seen from the top of the atmosphere and recently compiled PM(2.5) emissions data from different sources (transportation, residential and commercial, industry, energy production, deforestation and wildfire, and agriculture), we built an advanced Bayesian spatio-temporal autoregressive model and a local regression model to quantitatively analyze the correlation between PM(2.5) emissions from different sources and urban expansion in the Beijing-Tianjin-Hebei region. Our results suggest that the overall urban expansion in the study area maintained gradual growth from 1995 to 2014, with the fastest growth rate during 2005 to 2010; the urban expansion maintained a significant positive correlation with PM(2.5) emissions from transportation, energy production, and industry; different anti-haze policies should be designated according to respective local conditions in Beijing, Tianjin, and Hebei provinces; and during the period of rapid urban expansion (2005–2010), the spatial correlations between PM(2.5) emissions from different sources and urban expansion also changed, with the biggest change coming from the PM(2.5) emissions from the transport sector.…”
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  14. 1814
  15. 1815
    “…This study sought to determine whether a gap exists between the views of community health professionals and the caregivers of disabled older adults towards HHCSs in Beijing, China. METHODS: A cross-sectional study with two comparative questionnaire surveys was conducted in Beijing, China. …”
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  16. 1816
    “…The 18th International Symposium on Geo-disaster Reduction (ISGdR) was held on 20–22 November in Beijing, China, focusing on the theme of “Improving the Relationship between Geoenvironment and Society”. …”
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  17. 1817
    “…However, the structure analysis showed a genetic differentiation and categorized the sampling individuals into Beijing and Shandong genetic clusters, which indicated a tendency for isolated evolution in the Beijing population. …”
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  18. 1818
    “…DESIGN: Interrupted time series study. SETTING: Beijing, China. POPULATION: 31 707 AMI and 128 116 stroke hospital admissions recorded by the Beijing Medical Claim Data for Employees in 17.7 million residents from January 2013 to June 2017. …”
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  19. 1819
  20. 1820
    “…An individual with asymptomatic infection shed live virus that started a 42-case outbreak in Shunyi District of Beijing in December 2020. The individual had been quarantined for 14 days in a designated quarantine hotel in Fuzhou after entering China from Indonesia. …”
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