Search Results - "Gonzalez Lopez, Antonio"
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Technical note: Characteristics of the energy spread kernels of scattered radiation in an x‐ray room
Published in Medical physics (Lancaster) (01-01-2023)“…Purpose To describe the scattered radiation spectra inside an x‐ray room for different scattering conditions. Methods Monte Carlo simulations of an x‐ray room…”
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Detectability assessment of an x‐ray imaging system using the nodes in a wavelet packet decomposition of a star–bar object
Published in Medical physics (Lancaster) (01-06-2021)“…Purpose Using linear transformations of the acquired data can expand the study of detectability in an imaging system. From one image, an appropriate…”
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Effect of noise on MTF calculations using different phantoms
Published in Medical physics (Lancaster) (01-05-2018)“…Purpose In this work, the effect of noise on the precision in the modulation transfer function (MTF) calculation using different phantoms is investigated…”
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Safety and immunogenicity of a respiratory syncytial virus fusion glycoprotein F subunit vaccine in healthy adults: Results of a phase 1, randomized, observer-blind, controlled, dosage-escalation study
Published in Vaccine (06-05-2019)“…•A RSV F subunit vaccine was developed to protect infants via maternal immunization.•Different formulations of this vaccine in men and non-pregnant women were…”
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Psoriasis flare after influenza vaccination in Covid‐19 era: A report of four cases from a single center
Published in Dermatologic therapy (01-01-2021)Get full text
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Performance of a new star‐bar phantom designed for MTF calculations in x‐ray imaging systems
Published in Medical physics (Lancaster) (01-10-2020)“…Purpose A new phantom, designed and manufactured for modulation transfer function (MTF) calculations is presented in this work. The phantom has a star‐bar…”
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Safety and Immunogenicity of a ChAd155-Vectored Respiratory Syncytial Virus (RSV) Vaccine in Healthy RSV-Seropositive Children 12–23 Months of Age
Published in The Journal of infectious diseases (29-05-2023)“…Abstract Background Safe and effective respiratory syncytial virus (RSV) vaccines remain elusive. This was a phase I/II trial (NCT02927873) of ChAd155-RSV, an…”
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Sarcopenia assessed by 4-step EWGSOP2 in elderly hemodialysis patients: Feasibility and limitations
Published in PloS one (13-01-2022)“…In 2019, EWGSOP2 proposed 4 steps to diagnose and assess sarcopenia. We aimed to quantify the prevalence of sarcopenia according to the EWGSOP2 diagnostic…”
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Technical Note: MTF determination from a star bar pattern image
Published in Medical physics (Lancaster) (01-09-2015)“…Purpose: A procedure to obtain the MTF of an image system from a star bar pattern image is presented. The results obtained are compared to the standard…”
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Sarcopenia and Mortality in Older Hemodialysis Patients
Published in Nutrients (05-06-2022)“…(1) Sarcopenia is a progressive loss of skeletal muscle mass and strength. The aim of this study was to determine the association of sarcopenia, defined…”
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Long-term efficacy and safety of vestronidase alfa enzyme replacement therapy in pediatric subjects < 5 years with mucopolysaccharidosis VII
Published in Molecular genetics and metabolism (01-05-2022)“…Mucopolysaccharidosis (MPS) VII is an ultra-rare, autosomal-recessive, metabolic disease caused by a deficiency of β-glucuronidase, a lysosomal enzyme that…”
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Technical Note: An oversampling procedure to calculate the MTF of an imaging system from a bar-pattern image
Published in Medical physics (Lancaster) (01-10-2016)“…Purpose: Line-pair resolution phantoms are used to determine the spatial resolution of medical imaging systems. In some cases, these phantoms are used to…”
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Onset of erythema multiforme‐like lesions in association with recurrence of symptoms of COVID‐19 infection in an elderly woman
Published in Dermatologic therapy (01-11-2020)Get full text
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Technical Note: Statistical dependences between channels in radiochromic film readings. Implications in multichannel dosimetry
Published in Medical physics (Lancaster) (01-05-2016)“…Purpose: This note studies the statistical relationships between color channels in radiochromic film readings with flatbed scanners. The same relationships are…”
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Impact of non-routine rotavirus vaccination on hospitalizations for diarrhoea and rotavirus infections in Spain
Published in Vaccine (09-10-2013)“…Highlights • We conducted a retrospective study using the national information system for hospital data. • We analyzed hospital discharge data for children up…”
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Increasing the precision in the estimates of noise power spectrum in digital x-ray imaging systems
Published in Physics in medicine & biology (05-12-2019)“…The noise power spectrum (NPS) of a digital x-ray imaging device is usually estimated from the average of periodograms of ROIs in images obtained with uniform…”
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Phase 3 Safety and Efficacy of AZD1222 (ChAdOx1 nCoV-19) Covid-19 Vaccine
Published in The New England journal of medicine (16-12-2021)“…In a randomized, double-blind, placebo-controlled phase 3 trial of the ChAdOx1 nCoV-19 vaccine in over 32,000 participants from the United States, Chile, and…”
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High frequency residues: A new set of signals for detectability studies of an X-ray imaging system
Published in Physica medica (01-11-2021)“…•In this work, a new set of signals for detectability studies is presented.•New signals are obtained by removing low frequency components from line…”
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Molecular and clinical heterogeneity in CLCN7-dependent osteopetrosis: report of 20 novel mutations
Published in Human mutation (2010)“…The "Osteopetroses" are genetic diseases whose clinical picture is caused by a defect in bone resorption by osteoclasts. Three main forms can be distinguished…”
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Uncertainties of a window mixing estimator for the noise power spectrum of digital signals
Published in Physica medica (01-04-2020)“…•A new window mixing (WM) estimator for the NPS, obtained as a convex combination of windowed periodograms, is presented.•Mathematical derivations show that WM…”
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