منابع مشابه
ACG Case Reports Journal Continues to Evolve
The educational mission of our journal reaches beyond the goal of expanding the understanding of unique cases and novel approaches to challenging clinical questions. The generation of a published case report manuscript involves a team of authors, reviewers, editors, and publication staff. It is my belief that the quality of a manuscript depends equally on all members of that team, and that by w...
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Texture analysis and classification of soft tissues in Computed Tomography (CT) images recently advanced with a new approach that disambiguates the checkboard problem where two distinctly different patterns produce identical co-occurrence matrices, but this method quadruples the size of the feature space. The feature space size problem is exacerbated by the use of varying sized texture operator...
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Affiliations: Univ. Paris-Sud, Université Paris-Saclay, Le Kremlin-Bicêtre, France. Service de Pneumologie, Hôpital Bicêtre, Assistance Publique Hôpitaux de Paris, Le Kremlin-Bicêtre, France. INSERM UMR_S 999, Hôpital Marie Lannelongue, Le Plessis Robinson, France. Service de Physiologie, Paris Descartes University EA 2511, Hôpital Cochin, Assistance Publique Hôpitaux de Paris, Paris, France. E...
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The gene Microcephalin (MCPH1) regulates brain size and has evolved under strong positive selection in the human evolutionary lineage. We show that one genetic variant of Microcephalin in modern humans, which arose approximately 37,000 years ago, increased in frequency too rapidly to be compatible with neutral drift. This indicates that it has spread under strong positive selection, although th...
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ژورنال
عنوان ژورنال: Academic Medicine
سال: 2002
ISSN: 1040-2446
DOI: 10.1097/00001888-200201000-00003