APA (7th ed.) Citation

Rygg, M., Ramos, F. O., & Nordal, E. B. What have we learned from long-term studies in juvenile idiopathic arthritis? – Prediction, classification, transition. BMC.

Chicago Style (17th ed.) Citation

Rygg, Marite, Filipa Oliveira Ramos, and Ellen Berit Nordal. What Have We Learned from Long-term Studies in Juvenile Idiopathic Arthritis? – Prediction, Classification, Transition. BMC.

MLA (9th ed.) Citation

Rygg, Marite, et al. What Have We Learned from Long-term Studies in Juvenile Idiopathic Arthritis? – Prediction, Classification, Transition. BMC.