<?xml version="1.0" encoding="UTF-8"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-10-28T01:55:31Z</responseDate><request verb="GetRecord" identifier="oai:kostu-rdlopen.rawdatalibrary.net:kostu/10593" metadataPrefix="oai_dc">https://kostu-rdlopen.rawdatalibrary.net/oai/request</request><GetRecord><record><header><identifier>oai:kostu-rdlopen.rawdatalibrary.net:kostu/10593</identifier><datestamp>2026-10-27T23:53:21Z</datestamp><setSpec>openaire</setSpec><setSpec>com_kostu_10000</setSpec><setSpec>col_kostu_10001</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><dc:title>Statistical concerns regarding the validation of myocardial contraction fraction cut-off in transcatheter aortic valve replacement patients</dc:title><dc:creator>Coskun, Senol</dc:creator><dc:publisher>AME Publishing Company</dc:publisher><dc:date>2026</dc:date><dc:type>Letter</dc:type><dc:identifier>https://rdlopen.rawdatalibrary.net/r/kostu/10593</dc:identifier><dc:identifier>https://doi.org/10.21037/cdt-2026-0232</dc:identifier><dc:identifier>2223-3652</dc:identifier><dc:language>en</dc:language><dc:relation>Cardiovascular Diagnosis and Therapy</dc:relation><dc:rights>info:eu-repo/semantics/closedAccess</dc:rights><dc:type>info:eu-repo/semantics/article</dc:type><dc:identifier>https://kostu-rdlopen.rawdatalibrary.net/tr/items/kostu/10593</dc:identifier></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>