@article{017162f2cafb4ce385918837613ca0c8,
title = "Characteristics of non-randomised studies using comparisons with external controls submitted for regulatory approval in the USA and Europe: A systematic review",
keywords = "external controls, non-randomised studies, regulatory submissions, systematic review",
author = "Sarah Goring and Aliki Taylor and Kerstin M{\"u}ller and Li, {Tina Jun Jian} and Korol, {Ellen E.} and Levy, {Adrian R.} and Nick Freemantle",
note = "Publisher Copyright: {\textcopyright} 2019 Author(s).",
year = "2019",
month = feb,
day = "1",
doi = "10.1136/bmjopen-2018-024895",
language = "English",
volume = "9",
journal = "BMJ Open",
issn = "2044-6055",
publisher = "BMJ Publishing Group",
number = "2",
}