Akib, A., Tumbelaka, A., Sularyo, T. and Daliyanti, D. 1999. Role of laboratory values in determining disease activity in juvenile rheumatoid arthritis. Paediatrica Indonesiana. 39, 1-2 (Feb. 1999), 47-55. DOI:https://doi.org/10.14238/pi39.1-2.1999.47-55.