Muntaner Carles
Department of Family and Community Health Nursing and Department of Epidemiology and Preventive Medicine, Suite 645, 655 West Lombard Street, Baltimore, MD 21201, USA.
Int J Epidemiol. 2004 Aug;33(4):674-80; discussion 700-4. doi: 10.1093/ije/dyh200. Epub 2004 Jul 28.