Reassessment of the association between gastrointestinal arteriovenous malformations and aortic stenosis

Article Abstract:

A possible connection between aortic stenosis, a condition caused by the narrowing of the aorta, and malformations of arteries and veins (arteriovenous malformations or AVM) of the intestines has never been rigorously studied. This paper studied the association of aortic stenosis and arteriovenous malformations of the gastrointestinal system. The presence or absence of aortic stenosis was determined by the use of ultrasound technology (including Doppler) in 29 men with gastrointestinal AVMs. Although other cardiovascular difficulties were seen, none of the men in this study were found to have aortic stenosis. The authors conclude that, although previous case reports and retrospective studies have suggested the association of aortic stenosis and AVM, this study does not support the previous findings.

Case studies, Gastrointestinal diseases, Heart valve diseases, Aortic valve stenosis

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An economic model of fair use

Article Abstract:

Doctrine of fair use of copyright laws by copyright holders is analyzed. Role of technology in developing efficient standards and the use of various major cases of fair use model applicability are presented.

United States, Analysis, Interpretation and construction, Technological innovations, Fair use (Copyright), Fair use (Copyright law), Copyright law

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Strong signals from religious broadcasters

Article Abstract:

Issues concerning the licensing of religious broadcasters in the US and the question of educational programming content is discussed.

Laws, regulations and rules, Religious aspects, Religious programs, Television broadcasting policy, Religious broadcasting

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