@article{03c5feb3deb74156ae8d850e184bafc7,
title = "Managing the selection of placebo group switched to experimental treatment group in post-randomised controlled trial extension studies",
keywords = "arthritis, biological therapy, rheumatoid",
author = "Buch, \{Maya H\} and Maksymowych, \{Walter P\} and Maarten Boers",
year = "2022",
month = may,
day = "1",
doi = "10.1136/annrheumdis-2021-221775",
language = "English",
volume = "81",
pages = "741--742",
journal = "Annals of the rheumatic diseases",
issn = "0003-4967",
publisher = "BMJ Publishing Group",
number = "5",
}