@article{e5a2d47396b84a04bd1b6e60fa591f4e,
title = "Mortality, readmission and length of stay have different relationships using hospital-level versus patient-level data: an example of the ecological fallacy affecting hospital performance indicators",
author = "SN Hofstede and \{van Bodegom-Vos\}, L and DS Kringos and Ewout Steyerberg and \{van de Mheen\}, PJ",
year = "2018",
doi = "10.1136/bmjqs-2017-006776",
language = "Undefined/Unknown",
volume = "27",
pages = "474--483",
journal = "BMJ Quality \& Safety",
issn = "2044-5415",
publisher = "BMJ Publishing Group",
number = "6",
}