@article{e55a6be2c31b45e4aa1e7b86d7aafb86,
title = "The natural course of chronic benign pain in childhood and adolescence: a two-year population-based follow-up study",
author = "Perquin, \{CW (Christel)\} and Joke Hunfeld and AJJM Hazebroek-Kampschreur and LWA Smit and Jan Passchier and Bart Koes and Hans Wouden",
year = "2003",
doi = "10.1016/S1090-3801(03)00060-0",
language = "Undefined/Unknown",
volume = "7",
pages = "551--559",
journal = "European Journal of Pain",
issn = "1532-2149",
publisher = "John Wiley \& Sons Inc.",
}