False-positive results obtained using the Mantoux test in Behçet's syndrome: Comment on the article by García-Porrúa et al
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Comment on Article by Celeux Et Al
The authors point to several problems occurring if DIC = 2D(θ) − D(θ) is applied to missing data models: (i) the focus of the model depends on whether the missing data z are considered as observations or as parameters or integrated out; (ii) the parameter θ may be non-identifiable; (iii) θ can be a poor estimator of θ. They then investigate modifications of DIC mainly based on estimates other t...
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view of scoring methods, their reliability and applicability. Baillieres Clin Rheumatol 1996;10:435–53. 2. Kuper HH, van Leeuwen MA, van Riel PL, Prevoo ML, Houtman PM, Lolkema WF, et al. Radiographic damage in large joints in early rheumatoid arthritis: relationship with radiographic damage in hands and feet, disease activity, and physical disability. Br J Rheumatol 1997;36:855–60. 3. Cranney ...
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Natural selection operating at the amino acid sequence level can be detected by comparing the rates of synonymous (r(S)) and nonsynonymous (r(N)) nucleotide substitutions, where r(N)/r(S) (omega) > 1 and omega < 1 suggest positive and negative selection, respectively. The branch-site test has been developed for detecting positive selection operating at a group of amino acid sites for a pre-spec...
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ژورنال
عنوان ژورنال: Arthritis & Rheumatism
سال: 2000
ISSN: 0004-3591
DOI: 10.1002/1529-0131(200012)43:12<2855::aid-anr32>3.0.co;2-8