@article{1a0e42c2bc97406fa463178092d4942f,
title = "How to measure comorbidity in elderly persons (multiple letters)",
author = "Renzo Rozzini and Tony Sabatini and Piera Barbisoni and Marco Trabucchi and \{De Groot\}, Vincent and Heleen Beckerman and Gustaaf Lankhorst and Lex Bouter",
year = "2004",
month = jan,
day = "1",
doi = "10.1016/j.jclinepi.2003.08.001",
language = "English",
volume = "57",
pages = "321--322",
journal = "Journal of Clinical Epidemiology",
issn = "0895-4356",
publisher = "Elsevier Inc.",
number = "3",
}