European Scleroderma Study Group to define disease activity criteria for systemic sclerosis. III. Assessment of the construct validity of the preliminary activity criteria.

MLA

Valentini, G., et al. “European Scleroderma Study Group to Define Disease Activity Criteria for Systemic Sclerosis. III. Assessment of the Construct Validity of the Preliminary Activity Criteria.” Annals of the Rheumatic Diseases, vol. 62, no. 9, Sept. 2003, pp. 901–03. EBSCOhost, https://doi.org/10.1136/ard.62.9.901.

APA

Valentini, G., Bencivelli, W., Bombardieri, S., D’Angelo, S., Della Rossa, A., Silman, A. J., Black, C. M., Czirjak, L., Nielsen, H., & Vlachoyiannopoulos, P. G. (2003). European Scleroderma Study Group to define disease activity criteria for systemic sclerosis. III. Assessment of the construct validity of the preliminary activity criteria. Annals of the Rheumatic Diseases, 62(9), 901–903. https://doi.org/10.1136/ard.62.9.901

Chicago

Valentini, G, W Bencivelli, S Bombardieri, S D’Angelo, A Della Rossa, A J Silman, C M Black, L Czirjak, H Nielsen, and P G Vlachoyiannopoulos. 2003. “European Scleroderma Study Group to Define Disease Activity Criteria for Systemic Sclerosis. III. Assessment of the Construct Validity of the Preliminary Activity Criteria.” Annals of the Rheumatic Diseases 62 (9): 901–3. doi:10.1136/ard.62.9.901.