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Mostrando 341 - 360 Resultados de 13,030 Para Buscar '"Assur"', tiempo de consulta: 0.41s Limitar resultados
  1. 341
    por Stavelin, Anne, Sandberg, Sverre
    Publicado 2017
    “…External quality assurance (EQA) or proficiency testing for point-of-care (POC) testing is in principle similar to EQA for larger hospital laboratories, but the participants are different. …”
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    Essential aspects of external quality assurance for point-of-care testing
  2. 342
    por Selvan, C. Senthamil, Sureka, C. S.
    Publicado 2017
    “…To ensure the safe operation of mammography units, acceptance tests and quality assurance (QA) protocols have been developed by the American Association of Physicists in Medicine (AAPM), Engineers Registration Board, and International Atomic Energy Agency. …”
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    Quality Assurance and Average Glandular dose Measurement in Mammography Units
  3. 343
    “…A major challenge for such trials is quality assurance to ensure consistency of treatment across all participating centers. …”
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    Challenges for Quality Assurance of Target Volume Delineation in Clinical Trials
  4. 344
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    EPID dosimetry for pretreatment quality assurance with two commercial systems
  5. 345
    “…Consistent image quality and stable radiation response is necessary for proper utilization that requires routine quality assurance (QA). A commercial ‘EPID QC’ phantom weighing 3.8 kg with a dimension of [Formula: see text] is used for EPID QA. …”
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    A quality assurance phantom for electronic portal imaging devices
  6. 346
    “…With the commercial introduction of the Varian RapidArc, a new modality for treatment planning and delivery, the need has arisen for consistent and efficient techniques for performing patient‐specific quality assurance (QA) tests. In this paper we present our methodology for a RapidArc treatment plan QA procedure. …”
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    Quality assurance methodology for Varian RapidArc treatment plans
  7. 347
    “…Two commercially available detector arrays were compared for their use in the quality assurance of patient‐specific IMRT treatment plans: one a diode‐based array (MapCHECK) and the other an ion chamber‐based array (MatriXX). …”
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    Comparison of two commercial detector arrays for IMRT quality assurance
  8. 348
    “…For most computed tomography (CT) simulators, radiation therapists must first remove the fat couch top in order to perform daily CT quality assurance (QA), and then use separate tools to perform localization‐laser QA. …”
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    Simplified “on‐couch” daily quality assurance procedure for CT simulators
  9. 349
    por Alaei, Parham, Higgins, Patrick D.
    Publicado 2006
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    Performance evaluation and quality assurance of Varian enhanced dynamic wedges
  10. 350
    “…A patient specific quality assurance program has been developed to facilitate the clinical implementation of intensity modulated radiotherapy (IMRT) delivered using a micro‐multileaf collimator. …”
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    Patient specific quality assurance for the delivery of intensity modulated radiotherapy
  11. 351
    por Christison
    Publicado 1850
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    On the Adjustment of the Claims at Present Made by the Medical Profession on the Assurance Companies
  12. 352
    “…INTRODUCTION: The gamma analysis used for quality assurance of a complex radiotherapy plan examines the dosimetric equivalence between planned and measured dose distributions within some tolerance. …”
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    Dosimetric and radiobiological comparison for quality assurance of IMRT and VMAT plans
  13. 353
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    Surveying silicon nitride nanopores for glycomics and heparin quality assurance
  14. 354
    “…To maximize the accuracy and reliability of its outputs, we needed in-built, practical mechanisms for quality assurance and quality control. This article describes how those mechanisms were created and deployed. …”
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    Quality Assurance and Quality Control in the Global Trachoma Mapping Project
  15. 355
    “…We encountered a sudden appearance of the cold area, being more prominently visible on Positron Emission Tomography image in comparison to the fused image. A daily quality assurance scan was performed to evaluate the status of the machine after giving a restart to the system. …”
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    Significance of Daily Quality Assurance Scan in Hardware Artifact Evaluation
  16. 356
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    Administrative cases: an effective alternative to lawsuits in assuring access to medicines?
  17. 357
    “…BACKGROUND: To analyze and present the China’s national survey on patient-specific IMRT quality assurance (QA). METHODS: A national survey was conducted in all radiotherapy centers in China to collect comprehensive information on status of IMRT QA practice, including machine, technique, equipment, issues and suggestions. …”
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    National survey of patient specific IMRT quality assurance in China
  18. 358
    “…We used our data to test three predictions with regard to the paternity assurance hypothesis. Prediction 1, that within-pair copulations increase with local breeding density, was rejected because our models showed no evidence for it. …”
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    Copulatory behaviour in the Bonelli´s Eagle: Assessing the paternity assurance hypothesis
  19. 359
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    European recommendations and quality assurance for cytogenomic analysis of haematological neoplasms
  20. 360
    “…CONCLUSIONS: We demonstrated the applicability and the usefulness of BI proficiency testing to assure the quality of NGS data, and recommend a wider implementation of such exercises to guarantee sequence data uniformity among different virology laboratories.…”
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    Sequencing of animal viruses: quality data assurance for NGS bioinformatics
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