APA (7th ed.) Citation

AI, R., E, P., S, S., KL, H., & JB, G. (2018). Opportunistic infections in rheumatoid arthritis patients exposed to biologic therapy: Results from the British Society for Rheumatology Biologics Register for Rheumatoid Arthritis. Rheumatology (Oxford, England), 57(6), 997. https://doi.org/10.1093/rheumatology/key023

Chicago Style (17th ed.) Citation

AI, Rutherford, Patarata E, Subesinghe S, Hyrich KL, and Galloway JB. "Opportunistic Infections in Rheumatoid Arthritis Patients Exposed to Biologic Therapy: Results from the British Society for Rheumatology Biologics Register for Rheumatoid Arthritis." Rheumatology (Oxford, England) 57, no. 6 (2018): 997. https://doi.org/10.1093/rheumatology/key023.

MLA (9th ed.) Citation

AI, Rutherford, et al. "Opportunistic Infections in Rheumatoid Arthritis Patients Exposed to Biologic Therapy: Results from the British Society for Rheumatology Biologics Register for Rheumatoid Arthritis." Rheumatology (Oxford, England), vol. 57, no. 6, 2018, p. 997, https://doi.org/10.1093/rheumatology/key023.