?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Maira&rft.au=Hameed%2C+Maira&rft.aulast=Hameed&rft.title=European+Radiology&rft.issn=0938-7994&rft.date=12+September+2023&rft.atitle=Meta-research%3A+How+many+diagnostic+or+prognostic+models+published+in+radiological+journals+are+evaluated+externally%3F&rft.genre=article