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European Journal of Epidemiology > 2015 > 30 > 5 > 449-457
Seminars in Arthritis and Rheumatism > 1996 > 25 > 5 > 308-317
European Journal of Epidemiology > 2015 > 30 > 5 > 449-457
Seminars in Arthritis and Rheumatism > 1996 > 25 > 5 > 308-317