2,369 Artículos relativos a Artefactos

• Concealed glomerular filtration.
  Publicado en J Physiol
• Die elektronische Einrichtung für Hör-, Stimm- und Sprach- untersuchungen an der Grazer Universitäts-HNO-Klinik.
  Publicado en Monatsschr Ohrenheilkd Laryngorhinol
• A discussion of the problems of restraint in experimental investigations of acceleration injury. A lucite water immersion restraint for a vibration injury study with cats.
  Publicado en J Biomech
• Are the coats of coated vesicles artefacts?.
  Publicado en J Neurocytol
• Alpha rhythms in the hyperkinetic child.
  Publicado en Nature
• Cineseismography: a method for measuring abnormal involuntary movements of the human body.
  Publicado en Dis Nerv Syst
• A simplified method for study of RNA conformation--reaction of formylmethionine transfer RNA with [14C]methylamine-bisulfite.
  Publicado en Nucleic Acids Res
• An artifact produced by boiling adenyl cyclase reaction mixtures prior to the cyclic AMP-radioimmunoassay.
  Publicado en Anal Biochem
• Measles lymphadenopathy.
  Publicado en Ultrastruct Pathol
• The production of artifacts.
  Publicado en Ultrastruct Pathol
• Retrocaval pseudolymphoma: clinical impact of the mirror artifact.
  Publicado en J Ultrasound Med
• The comet tail artifact.
  Publicado en J Ultrasound Med
• Automatic reregistration for correction of localized misregistration artifacts in digital subtraction angiography of the head and neck.
  Publicado en Acta Radiol Suppl
• Diagnostic pitfalls and artifacts in high field magnetic resonance imaging.
  Publicado en Acta Radiol Suppl
• Processed EEG: a machine and a number are not enough.
  Publicado en J Cardiothorac Anesth
• Evaluation of CT scanners for use in neuroradiology. A study with regard to radiation dose and image quality.
  Publicado en Acta Radiol Suppl
• Pulse oximetry for noninvasive oxygen monitoring during dental treatment in children with congenital heart disease.
  Publicado en Shoni Shikagaku Zasshi
• Enhancing the applicability and effectiveness of intraaortic balloon counterpulsation.
  Publicado en J Card Surg
• Magnetic resonance imaging of coronary artery lesions using modified spin-echo sequence.
  Publicado en J Cardiol
• Usaedvanlige pseudoaftegninger på panoramatomogrammer--Fem tilfaelde.
  Publicado en Tandlaegebladet
• Digital gray-level transformation for the reduction of redundant shadows in rotational panoramic radiography.
  Publicado en Bull Tokyo Dent Coll
• Unsharpness of redundant shadows of the mandibular ramus region in panoramic tomography. The influence by the first slit width.
  Publicado en Shikwa Gakuho
• Artifacts in fluorescence emission spectroscopy related to Wood's anomaly.
  Publicado en Photochem Photobiol
• pH, ionized calcium and osmotic artifacts can affect determination of rabbit corneal deturgescence in vitro.
  Publicado en Ophthalmic Res
• Quantitation of the nitrosamine 2-ethylhexyl-4-(N-methyl-N-nitrosoamino) benzoate (NPABAO) in sunscreen products.
  Publicado en J Assoc Off Anal Chem
• Interpretation of the urine osmolality: the role of ethanol and the rate of excretion of osmoles.
  Publicado en Clin Invest Med
• Problems associated with the DNA analysis of stains.
  Publicado en Int J Legal Med
• Limitations of the chronometric assays to determine plasma antifactor Xa activity during low molecular weight heparin therapy.
  Publicado en Nouv Rev Fr Hematol
• Bayesian image processing in magnetic resonance imaging.
  Publicado en Magn Reson Imaging
• FID-acquired-echos (FAcE): a short echo time imaging method for flow artefact suppression.
  Publicado en Magn Reson Imaging
• Halfscan: clinical applications in MR imaging.
  Publicado en Magn Reson Imaging
• Dipole modelling of eye activity and its application to the removal of eye artefacts from the EEG and MEG.
  Publicado en Clin Phys Physiol Meas
• Tests of performance of four semi-automatic metaphase-finding and karyotyping systems.
  Publicado en Clin Genet
• Effects of mechanical ventilation on hemodynamic waveforms.
  Publicado en Crit Care Nurs Clin North Am
• Pitfalls in computed tomography of the paranasal sinuses.
  Publicado en J Otolaryngol
• Plasma free 5HT, plasma 5HIAA and whole blood 5HT in the rat.
  Publicado en Adv Exp Med Biol
• Unexpected finding--biologic truth or technical artifact?.
  Publicado en Hum Pathol
• Color Doppler artifact from metallic carotid clamp.
  Publicado en J Ultrasound Med
• Multidimensional flow cytometric blood cell differentiation without erythrocyte lysis.
  Publicado en Blood Cells
• Pseudospirochetes in animal blood being cultured for Borrelia burgdorferi.
  Publicado en J Vet Diagn Invest
• Exploración del sistema colector intrarrenal a través de fibroscopia flexible.
  Publicado en Arch Esp Urol
• Breast lesion discrimination using statistical analysis and shape measures on magnetic resonance imagery.
  Publicado en Comput Med Imaging Graph
• Biochemical and immunological differences between plasma inactive renin from normal and nephrectomized rats.
  Publicado en Can J Physiol Pharmacol
• Magnetic resonance imaging of eyelid springs and gold weights.
  Publicado en Arch Ophthalmol
• Stereology: a method for analyzing images.
  Publicado en Prog Neurobiol
• Rapid supplementary fixation in frozen sections: microwave versus conventional fixation. A double-blind comparative study.
  Publicado en Pathol Res Pract
• Inquadramento nosografico delle trombocitopenie.
  Publicado en Haematologica
• Evaluating image quality in high-res ultrasound.
  Publicado en Diagn Imaging (San Franc)
• High-speed MR assists in abdominal diagnoses.
  Publicado en Diagn Imaging (San Franc)
• Spiral scanning puts new spin on fast MR.
  Publicado en Diagn Imaging (San Franc)
• Successful use of a Fortec II vaporizer in the MRI suite: a case report with observations regarding magnetic field-induced vaporizer aberrancy.
  Publicado en Can J Anaesth
• Reconstructed image of the human heart based on magnetic resonance images for total artificial heart implantation.
  Publicado en ASAIO Trans
• A new algorithm for minimizing pacemaker polarization artifact: universally applicable in permanent pacing systems.
  Publicado en Pacing Clin Electrophysiol
• Magnetic resonance imaging of the hand, wrist, and forearm: utility in patients with pain and dysfunction as a result of trauma.
  Publicado en Mayo Clin Proc
• Transient erosion of the ulnar styloid process.
  Publicado en Br J Rheumatol
• Are Ranvier's nodes artifacts by preparation?.
  Publicado en Acta Anat (Basel)
• An artefact related to the ratio of sample volume to the blood collection vial size which effects the APTTs of specimens taken to monitor heparin therapy.
  Publicado en Thromb Haemost
• The indirect estimation of hemoglobin concentration in whole blood.
  Publicado en Pathology
• Maxillary canine: present or not?.
  Publicado en Oral Surg Oral Med Oral Pathol
• Sensitivity enhancement and reduction of Gibbs artifact in T2-weighted imaging using variable tip angle excitation.
  Publicado en Magn Reson Med
• Filtering noise from images with wavelet transforms.
  Publicado en Magn Reson Med
• Spoiling of transverse magnetization in steady-state sequences.
  Publicado en Magn Reson Med
• A regularity statistic for medical data analysis.
  Publicado en J Clin Monit
• Eliminating diathermy-induced artifacts during intraoperative monitoring of somatosensory-evoked potentials: a hardware solution.
  Publicado en J Clin Monit
• Preliminary clinical trials of a computer-based cardiac arrest alarm.
  Publicado en Intensive Care Med
• Critical noise level reduction for correct identification of late potentials: an illustrative case report.
  Publicado en Clin Cardiol
• Calculation of pulse-wave velocity using cross correlation--effects of reflexes in the arterial tree.
  Publicado en Ultrasound Med Biol
• Evaluation of Doppler ultrasound for blood perfusion measurements.
  Publicado en Ultrasound Med Biol
• Measurement of blood perfusion in tissue using Doppler ultrasound.
  Publicado en Ultrasound Med Biol
• Unipolar versus bipolar pacing--poles apart.
  Publicado en Pacing Clin Electrophysiol
• Investigation and prevention of artifactual staining in flow cytometric analyses of whole blood samples from patients treated with H65-RTA, an anti-CD5 monoclonal antibody conjugated to ricin A chain.
  Publicado en J Immunol Methods
• Caution: interpretation of results of HPLC assay for serum glycated albumin.
  Publicado en Diabetologia
• T2-weighted three-dimensional MP-RAGE MR imaging.
  Publicado en J Magn Reson Imaging
• Comparison of phase-difference and complex-difference processing in phase-contrast MR angiography.
  Publicado en J Magn Reson Imaging
• Phase-constrained data extrapolation method for reduction of truncation artifacts.
  Publicado en J Magn Reson Imaging
• Color flow-encoded MR imaging.
  Publicado en J Magn Reson Imaging
• Quantitation of structural distortion of the cervical neural foramina in gradient-echo MR imaging.
  Publicado en J Magn Reson Imaging
• MR imaging of microcirculation in rat brain: correlation with carbon dioxide-induced changes in blood flow.
  Publicado en J Magn Reson Imaging
• Theoretical aspects of motion sensitivity and compensation in echo-planar imaging.
  Publicado en J Magn Reson Imaging
• Motion artifact reduction with three-point ghost phase cancellation.
  Publicado en J Magn Reson Imaging
• Keratins in soft-tissue sarcomas--common phenomenon or technical artifact?.
  Publicado en Am J Clin Pathol
• Regions in the B-mode image of a cylinder where the location of a point reflector is changed by sound speed variation.
  Publicado en Ultrasound Med Biol
• Lectura automática del grupo ABO y Rh en microplaca empleando el medio FMC y el lector de IBG systems.
  Publicado en Sangre (Barc)
• Pseudotrombocitopenia: incidencia, causas y métodos de detección.
  Publicado en Sangre (Barc)
• Hardware and software artifacts in storage phosphor radiography.
  Publicado en Radiographics
• Hepatic pseudolesion: appearance of focal low attenuation in the medial segment of the left lobe at CT arterial portography.
  Publicado en Radiology
• Magnetic resonance imaging of the liver. Technique.
  Publicado en Radiol Clin North Am
• Metodología para la determinación exacta del porcentaje de distorsión en una ortopantomografía.
  Publicado en Pract Odontol
• Aldehyde fixation causes membrane vesiculation during platelet exocytosis: a freeze-substitution study.
  Publicado en Scanning Microsc Suppl
• L'EEG nella diagnosi di morte cerebrale. Un raro artefatto bioelettrico.
  Publicado en Minerva Anestesiol
• Isodisomy in BWS chromosomes.
  Publicado en Nature
• Correction for chemical-shift artifacts in 19F imaging of PFOB: simultaneous multislice imaging.
  Publicado en Magn Reson Med
• Serum bioactive follicle-stimulating hormone-like activity in human pregnancy is a methodological artifact.
  Publicado en J Clin Endocrinol Metab
• The Fenwal CS3000 inline pack is acceptable for donor blood sampling.
  Publicado en J Clin Apher
• Mucolytic-antifoam solution for reduction of artifacts during endoscopic ultrasonography: a randomized controlled trial.
  Publicado en Gastrointest Endosc
• Evaluation of a new type of high sharpness film for skull radiography.
  Publicado en Dentomaxillofac Radiol
• Artifactually high coherences result from using spherical spline computation of scalp current density.
  Publicado en Electroencephalogr Clin Neurophysiol
• Chaos or noise in EEG signals; dependence on state and brain site.
  Publicado en Electroencephalogr Clin Neurophysiol
• Facial muscle activity and EEG recordings: redundancy analysis.
  Publicado en Electroencephalogr Clin Neurophysiol
• A false-positive artifact in the investigation of osteitis pubis.
  Publicado en Clin Nucl Med