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Wolfe's mammographic classification and a percentage classification are statistically evaluated for inter- and intraobserver bias and agreement by seven mammographers with a set of 200 xeromammograms. The results demonstrate significant bias and disagreement with both methods, raising questions about the clinical limitations of these or other mammographic classifications. However, about 90% of the percentage classifications of pairs of readers are within adjacent categories. This suggests that (1) more experience with precisely defined classifications and protocols, (2) the development and application of readily available instructional materials, and (3) studies to identify and evaluate sources of variation in such classifications may eventually lead to acceptable levels of reproducibility.
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April 2004,
The British journal of radiology,
L E Myers, and
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November 2014,
Injury,
L E Myers, and
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M Moskowitz, and
M E Nielsen
October 1967,
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March 2008,
Breast cancer research and treatment,
L E Myers, and
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S A Feig, and
J E Martin, and
M Moskowitz, and
M E Nielsen
January 2012,
Einstein (Sao Paulo, Brazil),
L E Myers, and
R McLelland, and
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S A Feig, and
J E Martin, and
M Moskowitz, and
M E Nielsen
January 1992,
Preventive medicine,
L E Myers, and
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S A Feig, and
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M Moskowitz, and
M E Nielsen
June 2014,
Acta radiologica short reports,
L E Myers, and
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M Moskowitz, and
M E Nielsen
January 2013,
Acta orthopaedica et traumatologica turcica,
L E Myers, and
R McLelland, and
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S A Feig, and
J E Martin, and
M Moskowitz, and
M E Nielsen
February 1997,
The British journal of radiology,
L E Myers, and
R McLelland, and
C X Stricker, and
S A Feig, and
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M Moskowitz, and
M E Nielsen
September 2000,
Revue de chirurgie orthopedique et reparatrice de l'appareil moteur,
