Gerard Grau

"Megaplicatura endoscópica gástrica (MEGA) para el tratamiento de la obesidad: análisis multicéntrico de una cohorte retrospectiva europea a 6 meses"

Gherzon Rimer Casanova, Antonio J. Ortega, Gerard Grau, Gonzalo Puente López et autres

Efficient tack retrieval and placement using the X-Tack endoscopic system

Raquel Muñoz-González, Joan Carles Balboa, Irene Andaluz, Gonzalo López-Roldán et autres

Text The X-Tack endoscopic HeliX tacking system (Boston Scientific, Massachusetts, USA) is a new through-the-scope (TTS), suture-based device, for the closure of large tissue defects. It consists of four 5-mm surgical steel helix tacks strung on a 3-0 polypropylene suture. To achieve …

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Cyclosporine treatment for severe steroid refractory immune-mediated colitis in a patient with ulcerative colitis

Gerard Grau, Ariadna Altadill, Eduard Brunet, Xavier Calvet

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Incidence of Myelotoxicity and Other Adverse Effects Related to Thiopurine Starting in Patients with Inflammatory Bowel Disease: Retrospective Observational Study in a Third-Level Hospital

Gerard Grau, Eduard Brunet, Laura Patricia Llovet, Patricia Pedregal-Pascual et autres

Background and objectives: Thiopurines are an effective treatment for the maintenance of remission in inflammatory bowel disease (IBD). They can present adverse effects (AEs), with myelotoxicity being the most relevant. This study aims to determine the incidence of AEs related to the …

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Cyclosporine treatment for severe steroid refractory immune-mediated colitis in a patient with ulcerative colitis

Gerard Grau, Ariadna Altadill, Eduard Brunet, Xavier Calvet

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Seismic wavefield migration

Gerard Grau, Patrick Lailly

Conventional time sections suffer from distortions and artifacts. Migrationaims at correcting two of them: the misplacement of reflections in the section and the interference of diffractions with...

Rayleigh-Sommerfeld and Helmholtz-Kirchhoff integrals: application to the scalar and vectorial theory of wave propagation and diffraction

W. Freude, Gerard Grau

Approximations for known integral solutions of the scalar Helmholtz equation (the Rayleigh-Sommerfeld (RS) integrals of type I and II) are discussed. The validity range of the approximated RS I integral for large, but finite distances from the boundary plane is calculated as …

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Glossaire des principaux termes techniques de la prospection sismique

Gerard Grau

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Optical CPFSK receiver with BER < 10 −9 : Monte Carlo simulation and experiment

Moritz Sebastian Bischoff, Gerard Grau

Simulation results for an optical heterodyne CPFSK receiver are presented and compared with measurements on a well defined experimental system. 3.4 × 1010 bit were simulated during the run at the lowest BER.

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Seismic velocities in complex media

Gerard Grau

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Sequential migration-aided reflection tomography: an approach to imaging complex structures

Gerard Grau, Patrick Lailly

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Integrated use of geological and seismic models

Gerard Grau

PreviousNext No AccessSEG Technical Program Expanded Abstracts 1991Integrated use of geological and seismic modelsAuthors: Gerard GrauGerard GrauInstitut Français du Pétrolehttps://doi.org/10.1190/1.1888828 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Permalink: https://doi.org/10.1190/1.1888828FiguresReferencesRelatedDetails SEG Technical Program Expanded Abstracts 1991ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 1991 Pages: 1646 …

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