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The Radiological Society of North America has launched a project called the Medical Image Resource Center (MIRC) to establish a community of Web-based libraries of imaging information, including teaching files, other educational materials, and research data. This system would enable radiologic professionals to create and publish such materials more easily(More)
UNLABELLED BACKGROUND For millennia, iron-tannate dyes have been used to colour ceremonial and domestic objects shades of black, grey, or brown. Surviving iron-tannate dyed objects are part of our cultural heritage but their existence is threatened by the dye itself which can accelerate oxidation and acid hydrolysis of the substrate. This causes many(More)
Acknowledgements The first and second authors thank the Katz Graduate School of Management at the University of Pittsburgh for its ongoing financial support, and the first and third authors thank the Social Sciences and Humanities Council of Canada for its funding assistance. All three authors are also indebted to and three anonymous reviewers for their(More)
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