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  • Title: Physical characteristics of barium contrast media and their influence on roentgen image information.
    Author: Jekell K, Ohlson T, Widebeck J.
    Journal: Acta Radiol Diagn (Stockh); 1975 May; 16(3):263-72. PubMed ID: 1177042.
    Abstract:
    Various barium contrast media intended for radiographic examinations of the colon were analysed in a plastic model. This model contained fixed test objects which could be identified and counted on the films thus providing a measure of image information obtainable. Particular attention was paid to the marked differences in sedimentation of the various contrast media and the manner in which these affected image information.
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