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Mostrando 441 - 460 Resultados de 1,837 Para Buscar '"Siemens"', tiempo de consulta: 0.30s Limitar resultados
  1. 441
    “…METHODS: 10 whole skull preparations were scanned with either 128 slice MDCT(SOMATOM Definition AS+, Siemens, Erlangen) or FPCT (AXIOM-Artis, Siemens, Erlangen) using 10s or 20s protocol. …”
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    Flat panel CT versus multidetector CT in skull base imaging: are there differences in image quality?
  2. 442
    “…METHODS: 21 non-elite male marathon runners were examined by sb3DE (Siemens ACUSON SC2000, matrix transducer 4Z1c, volume rates 10-29/s), CMR (Siemens Magnetom Avanto, 1,5 Tesla) and blood tests before and immediately after each athlete ran 30 km. …”
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    Single beat 3D echocardiography for the assessment of right ventricular dimension and function after endurance exercise: Intraindividual comparison with magnetic resonance imaging
  3. 443
    “…The data were reconstructed using Philips Astonish, General Electric Evolution for Bone, or Siemens Flash3D, eight subsets, and a varying number of iterations. …”
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    Quantitative capabilities of four state-of-the-art SPECT-CT cameras
  4. 444
    “…The third-generation ADVIA Centaur HIV 1/O/2 enhanced (EHIV) assay (Siemens Healthcare Diagnostics Inc., USA) and fourth-generation CHIV assay were used to test each panel for HIV infection. …”
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    Reduction of the HIV Seroconversion Window Period and False Positive Rate by Using ADVIA Centaur HIV Antigen/Antibody Combo Assay
  5. 445
    “…Serum 25OHD in VACUETTE tubes with gel and clot activator, as measured by the Siemens system, produced significantly higher values than did samples collected in VACUETTE tubes with no additives. …”
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    25OHD analogues and vacuum blood collection tubes dramatically affect the accuracy of automated immunoassays
  6. 446
    “…Fluorography refers to the photography of fluoroscopic images that are retrospectively stored, e.g., using the "Store fluoro" function of the Siemens cardiac angiography system. The primary outcomes included the air kinetic energy released per unit mass {air kerma (AK) mGy} and the dose (kerma)-area product (DAP; µGy · m(2)), both measured using built-in software in the Siemens system. …”
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    Radiation Exposure in Coronary Angiography: A Comparison of Cineangiography and Fluorography
  7. 447
    “…We aimed to evaluate the correct assignment of HCV genotypes by three commercial methods—Trugene HCV genotyping kit (Siemens), VERSANT HCV Genotype 2.0 assay (Siemens), and Real-Time HCV genotype II (Abbott)—compared to NS5B sequencing. …”
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    Using NS5B Sequencing for Hepatitis C Virus Genotyping Reveals Discordances with Commercial Platforms
  8. 448
    “…METHOD: The study population comprised 278 subjects. The Siemens Acuson S3000 and VTIQ technology were used for measurements of the trapezius and erector spinae muscles (Siemens Healthcare, Erlangen, Germany). …”
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    Measurements of the trapezius and erector spinae muscles using virtual touch imaging quantification ultrasound-Elastography: a cross section study
  9. 449
    “…OBJECTIVES: A multicenter study to compare results of BRAHMS Kryptor PCT with those obtained using four BRAHMS-partnered procalcitonin (PCT) automated immunoassays (DiaSorin Liaison, BioMérieux Vidas, Roche Cobas E601 and Siemens Advia Centaur) and the Diazyme immunotubidimetric assay implemented on four clinical chemistry platforms (Abbott Architect c16000, Siemens Advia 2400, Roche Cobas C501 and Beckman Coulter AU5800). …”
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    Multicenter comparison of automated procalcitonin immunoassays
  10. 450
    por Jia, Ming X., Zhang, Xu, Li, Na, Han, Cheng B.
    Publicado 2012
    “…The MV‐CBCT system was a Siemens MVision, a commercial system integrated into the Siemens ONCOR linear accelerator. …”
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    Impact of different CBCT imaging monitor units, reconstruction slice thicknesses, and planning CT slice thicknesses on the positioning accuracy of a MV‐CBCT system in head‐and‐neck patients
  11. 451
    “…In the present study, Monte Carlo methods were used to investigate clinical electron beams, at standard and non‐standard SSDs, from a Siemens Oncor Avant Garde (Siemens Healthcare, Erlangen, Germany) linear accelerator (LINAC). …”
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    Electron beam therapy at extended source‐to‐surface distance: a Monte Carlo investigation
  12. 452
    “…Both the CTDI(vol) and image noise decreased with patient size for Siemens scanners, but the decline in SSDE was less significant. …”
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    A Study to Determine Whether the Volume-Weighted Computed Tomography Dose Index Gives Reasonable Estimates of Organ Doses for Thai Patients Undergoing Abdomen and Pelvis Computed Tomography Examinations
  13. 453
    “…All PET and MRI data were acquired using a Siemens BioGraph mMR integrated PET/MRI scanner. PET acquisitions commenced 120 minutes after injection with 10 mCi of [(18)F]ML-10. …”
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    [(18)F]ML-10 PET: Initial Experience in Glioblastoma Multiforme Therapy Response Assessment
  14. 454
    “…MATERIALS AND METHODS: Sigma metrics for routine clinical chemistry tests using three systems (Beckman AU5800, Roche C8000, Siemens Dimension) were determined in June 2017 in the laboratory of Peking Union Medical College Hospital. …”
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    Sigma metrics for assessing the analytical quality of clinical chemistry assays: a comparison of two approaches: Electronic supplementary material available online for this article.
  15. 455
    “…A QC test was performed using Siemens QC phantom and a standard test phantom. RESULTS: The spectrum of our home- made phantom had a significant difference with the expected spectrum. …”
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    MRS Shimming: An Important Point Which Should not be Ignored
  16. 456
    “…METHODS: Within the framework of a Phase 2 praziquantel dose finding study in preschool- and school-aged children infected with S. haematobium, in southern Côte d’Ivoire, we compared a visual-read of the urine dipstick strips (Multistix PRO, Siemens Healthcare Diagnostics) to an automated reader (CLINITEK Status+ analyser™ Siemens Healthcare Diagnostics). …”
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    Evaluation of the Clinitek®, a point-of-care urinalysis system for the measurement of clinically significant urinary metabolites and detection of haematuria in Schistosoma haematobium infected children in southern Côte d’Ivoire
  17. 457
    “…MATERIALS AND METHODS: Low molecular weight heparin calibrated reagent (Siemens Healthineers, Marburg, Germany) was used for anti-FXa activity measurement. …”
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    Chromogenic anti-FXa assay calibrated with low molecular weight heparin in patients treated with rivaroxaban and apixaban: possibilities and limitations
  18. 458
    “…Specifically, we performed a set of empirical temperature measurements on a 1.5T Siemens Avanto MRI scanner with the body RF-transmit coil in a range of electrode and connector cable configurations. …”
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    Temperature Measurements in the Vicinity of Human Intracranial EEG Electrodes Exposed to Body-Coil RF for MRI at 1.5T
  19. 459
    “…The lower limits of serum tT were established using a Siemens IMMULITE 2000 chemiluminescent system. The 1(st), 2.5(th), and 5(th) percentiles and their 95% confidence intervals (CIs) were 3.6 (95% CI: 2.7–4.1) nmol l(−1), 4.3 (95% CI: 4.1–5.0) nmol l(−1), and 5.6 (95% CI: 4.8–5.8) nmol l(−1), respectively. …”
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    Establishing the lower limits of total serum testosterone among Chinese proven fertile men who received treatment of assisted reproductive technology
  20. 460
    “…METHODS: DECT data acquired for 20 representative patients of different tumor sites and/or clinical situations with dual-source simultaneous scanning (Drive, Siemens) and single-source sequential scanning (Definition, Siemens) using 80 and 140-kVp X-ray beams were analyzed. …”
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    Improving Structure Delineation for Radiation Therapy Planning Using Dual-Energy CT
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