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Best Practice & Research Clinical Rheumatology > 2016 > 30 > 6 > 1021-1036
Pediatria Polska > 2007 > 82 > 7 > 550-558
Annals of Epidemiology > 1999 > 9 > 7 > 397-407
Best Practice & Research Clinical Rheumatology > 2016 > 30 > 6 > 1021-1036
Pediatria Polska > 2007 > 82 > 7 > 550-558
Annals of Epidemiology > 1999 > 9 > 7 > 397-407