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  1. 621
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    Seroepidemiology of SARS-CoV-2 infections in an urban population-based cohort in León, Nicaragua
  2. 622
    “…This study aimed to determine the prevalence and factors associated with PNC utilisation in Sierra Leone. METHODS: We used Sierra Leone Demographic and Health Survey (UDHS) 2019 data of 7326 women aged 15 to 49 years. …”
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    Prevalence and factors associated with utilisation of postnatal care in Sierra Leone: a 2019 national survey
  3. 623
    “…The aim of this study was to determine the prevalence and risk factors associated with diarrheal diseases in Sierra Leone. METHODS: a cross-sectional study was conducted in March 2019. …”
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    Prevalence and risk factors of diarrheal diseases in Sierra Leone, 2019: a cross-sectional study
  4. 624
    “…This study provides evidence of the critical infrastructure gaps in health facilities in Sierra Leone.…”
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    Electricity, Computing Hardware, and Internet Infrastructures in Health Facilities in Sierra Leone: Field Mapping Study
  5. 625
    “…Among 1,282 adults and children from a community affected by the 2014–2016 Ebola outbreak in Sierra Leone, 8% were seropositive for virus antibodies but never experienced disease symptoms. …”
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    Ebola Virus Glycoprotein IgG Seroprevalence in Community Previously Affected by Ebola, Sierra Leone
  6. 626
    “…BACKGROUND: Ascertaining the key determinants of maternal healthcare service utilization and their relative importance is critical to priority setting in policy development. Sierra Leone has one of the world’s highest maternal death ratios in the context of a weak health system. …”
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    Socio-economic determinants of maternal health care utilization in Kailahun District, Sierra Leone, 2020
  7. 627
    “…SETTING: Caregivers were purposively recruited from slums (n=8) and other urban communities (n=8) in the capital city of Sierra Leone. PARTICIPANTS: Caregivers of children ages 6–36 months old who were fully vaccinated (n=8) or undervaccinated (n=8). …”
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    Qualitative assessment of caregiver experiences when navigating childhood immunisation in urban communities in Sierra Leone
  8. 628
    “…In Sierra Leone, in 2020, a study by the Livestock and Veterinary Services Division (Ministry of Agriculture and Forestry) on the surveillance system of animal diseases and antimicrobial use found poor reporting. …”
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    An Update on the Surveillance of Livestock Diseases and Antimicrobial Use in Sierra Leone in 2021—An Operational Research Study
  9. 629
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    Anxiety, Stress, and Social Support in Pregnant Women in the Province of Leon during COVID-19 Disease
  10. 630
    “…Our results indicate that there was a low level of COVID-19 epidemic in Sierra Leone and that COVID-19's introduction led to local transmission. …”
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    Epidemiological Trends of Coronavirus Disease 2019 in Sierra Leone From March 2020 to October 2021
  11. 631
    “…With an estimated population of 8.3 million, Sierra Leone has no existing pharmaceutical manufacturing company at present. …”
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    The need for a functional pharmaceutical industry in Sierra Leone: lessons from the COVID-19 pandemic
  12. 632
    “…BACKGROUND: In Sierra Leone persons with disabilities are at higher risk of living in poverty and have poor access to a fragile healthcare and rehabilitation services. …”
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    Access to health and rehabilitation services for persons with disabilities in Sierra Leone – focus group discussions with stakeholders
  13. 633
    “…Survival analysis methods are the best suited for the estimation of the virus persistence in body fluids but must account for left- and interval-censoring present in the data, which is a more complex problem than that of presence of right censoring alone. Using the Sierra Leone Ebola Virus Persistence Study, we discuss study design issues, endpoint of interest and statistical methodologies for interval- and right-censored non-parametric and parametric survival modelling. …”
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    Statistical methodologies for evaluation of the rate of persistence of Ebola virus in semen of male survivors in Sierra Leone
  14. 634
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    Social Network Analysis of Ebola Virus Disease During the 2014 Outbreak in Sukudu, Sierra Leone
  15. 635
    “…In this study, we evaluated antibiotic use and consumption in surgical prophylaxis in 4 hospitals located in 2 geographic regions of Sierra Leone. METHODS: We used a prospective cohort design to collect data from surgical patients aged 18 years or older between February and October 2021. …”
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    High levels of surgical antibiotic prophylaxis: Implications for hospital-based antibiotic stewardship in Sierra Leone
  16. 636
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    Cost Model for Biogas and Biomethane Production in Anaerobic Digestion and Upgrading. Case Study: Castile and Leon
  17. 637
    por Everill, Bronwen
    Publicado 2020
    “…This article looks at the development of Sierra Leone’s ship repair cluster, particularly focusing on the period 1780 to 1860. …”
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    “For the services of shipwrights, coopers, and grumettas”: Freetown’s ship repair cluster in nineteenth-century Sierra Leone
  18. 638
    por León, Pedro R.
    Publicado 1973
    Materias: “…Cieza de León, Pedro de, 1518-1560 Crítica e interpretación.…”
    Libro
    Algunas observaciones sobre Pedro de Cieza de León y la Crónica del Perú
  19. 639
    Publicado 1867
    “…Nuevo León Historia Fuentes.…”
    Libro
    Colección de noticias y documentos para la historia del estado de N. León : corregidos y ordenados de manera que formen una relación seguida
  20. 640
    por León, Felipe, 1884-1968
    Publicado 2008
    Libro
    León Felipe en la casa de España y en el Colegio de México
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