منابع مشابه
Point Counter Point
Schultz and Yarus (1996) propose that codon reassignment takes place through ambiguously translating intermediates, meaning ‘‘the supposition that codons are read ambiguously by two tRNAs (a tRNA and an RF [release factor] in the case of terminations), specifying insertion of more than one amino acid (or an amino acid as well as stop).’’ In simple terms, they propose that a codon can have two m...
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Two preeminent lymphologists debate the findings, implications, interpretations, and value of magnetic resonance lymphography (MRL) in the evaluation of peripheral lymphedema. Their contrasting views are discussed in the context of different lymphatic imaging modalities including MRL, lymphoscintigraphy, and microscopic anatomy.
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Dr. Irwin Perr has used a specific case to draw a generalization and make a recommendation about the forensic psychiatrist's tactical response to a particular aspect of the legal adversary process; that is, he addresses the question of how the psychiatric expert witness should respond to cross-examination by use of publications that attack his credibility as a witness. In his article he makes a...
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Memory becomes a limiting factor in contemporary applications, such as analyses of the Webgraph and molecular sequences, when many objects need to be counted simultaneously. Robert Morris [Communications of the ACM, 21:840–842, 1978] proposed a probabilistic technique for approximate counting that is extremely space-efficient. The basic idea is to increment a counter containing the value X with...
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In a recent review published in the New England Journal of Medicine, DJ Brenner and EJ Hall, professors of Radiation Biology at Columbia University, analyzed the current trend to increased use of computed tomography (CT) scanning, the attendant radiation exposure, and the long-term potential for induction of fatal malignancies in the population.1 This article was widely discussed in the popular...
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ژورنال
عنوان ژورنال: Medical Care
سال: 2018
ISSN: 0025-7079
DOI: 10.1097/mlr.0000000000000897