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Osteoarthritis: a review of old myths and current concepts (1990)

Alexander, Colin J.

Springer

Skeletal radiology 19 (1990), S. 327-333

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ISSN: 1432-2161

Keywords: Osteoarthritis

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract Radiology is dependent on an accurate understanding of the pathological process. This review of primary osteoarthritis identifies eight areas in which widely held concepts are either demonstrably false or fall short of proof. In some, the concepts have been disproved by the gradual accumulation of evidence. In others, the error is due to radiological misinterpretation while in a third group, the evidence is not in dispute, but the logical framework used in its assessment is flawed. Awareness of these deficiencies simplifies radiological interpretation and clarifies research objectives.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00193085

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Conformational preferences of XONO2 systems (X = H, F, Cl, CH3) from ab initio techniques (1991)

Smith, Brian J. ; Marsden, Colin J.

New York, NY [u.a.] : Wiley-Blackwell

Journal of Computational Chemistry 12 (1991), S. 565-574

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ISSN: 0192-8651

Keywords: Computational Chemistry and Molecular Modeling ; Biochemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Computer Science

Notes: Ab initio SCF and MP2 methods have been used to calculate the geometries and relative energies of both planar and nonplanar rotamers of several nitrates with a DZP basis set. The planar arrangement of atoms is found to be the lower energy configuration in all cases. The interconversion between rotamers is analyzed by partitioning the contributions to the total SCF energy in a variety of ways.

Additional Material: 4 Ill.