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This is an update request for the document Quality of life among elderly patients undergoing transcatheter or surgical aortic valve replacement– a model-based longitudinal data analysis by Klaus Kaier, Anja Gutmann, Hardy Baumbach, Constantin von zur Mühlen, Philip Hehn, Werner Vach, Friedhelm Beyersdorf, Manfred Zehender, Christoph Bode and Jochen Reinöhl

Your paper was deposited in MUCC (Crossref) and appears online at https://hqlo.biomedcentral.com/track/pdf/10.1186/s12955-016-0512-9?site=hqlo.biomedcentral.com
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