@article{81d39bc3218e4d949e9104c1902e6ee2,
title = "Long termness with regard to sickness and disability: an example of the value of longitudinal data for testing reliability and validity",
author = "T Collett and M Williams and M Maconachie and J Chandler and B Dodgeon",
year = "2006",
language = "English",
volume = "9",
pages = "229--243",
journal = "International Journal of Social Research Methodology: Theory and Practice",
issn = "1364-5579",
publisher = "Taylor and Francis Ltd.",
number = "3",
}