@article{d16615de7c8b42ec9751771a41251c04,
title = "Natural History of Back Pain in Older Adults over Five Years",
author = "\{van der Gaag\}, Wendelien and Wendy Enthoven and Pim Luijsterburg and \{van Rijckevorsel-Scheele\}, J and \{Bierma - Zeinstra\}, Sita and AM Bohnen and \{van Tulder\}, MW and Bart Koes",
year = "2019",
doi = "10.3122/jabfm.2019.06.190041",
language = "Undefined/Unknown",
volume = "32",
pages = "781--789",
journal = "Journal of the American Board of Family Medicine",
issn = "1557-2625",
publisher = "American Board of Family Medicine",
number = "6",
}