Ruperto N, Ravelli A, Murray KJ, Lovell DJ, Andersson-Gare B, Feldman BM, Garay S, Kuis W, Machado C, Pachman L, Prieur AM, Rider LG, Silverman E, Tsitsami E, Woo P, Giannini EH, Martini A for the Paediatric Rheumatology International Trials Organisation (PRINTO) and the Pediatric Rheumatology Collaborative Study Group (PRCSG).
Preliminary core sets of measures for disease activity and damage assessment in juvenile systemic lupus erythematosus and juvenile dermatomyositis.
Rheumatology 2003; 42: 1452-1459

Ruperto N, Ravelli A, Cuttica R, Espada G, Ozen S, Porras O, Sztajnbok F, Falcini F, Kasapcopur O, Venning H, Bica B, Merino R, Coto V, Ros J, Susic G, Gamir ML, Minden K, See Y, Uziel Y, Mukamel M, Riley P, Zulian F, Olivieri AN, Cimaz R, Girschick H, Rumba I, Cavuto S, Pistorio A, Lovell DJ, Martini A, for the Pædiatric Rheumatology International Trials Organisation (PRINTO) and the Pediatric Rheumatology Collaborative Study Group (PRCSG).
The PRINTO criteria for the evaluation of response to therapy in juvenile systemic lupus erythematosus. Prospective validation of the core set.
Arthritis Rheum. 2005;52(9):2854-2864