APA Citatie

Kowalec, K., McKay, K. A., Patten, S. B., Fisk, J. D., Evans, C., Tremlett, H., & Marrie, R. A. (2017). Comorbidity increases the risk of relapse in multiple sclerosis: A prospective study. Neurology.

Chicago Style citaat

Kowalec, Kaarina, Kyla A. McKay, Scott B. Patten, John D. Fisk, Charity Evans, Helen Tremlett, en Ruth Ann Marrie. "Comorbidity Increases the Risk of Relapse in Multiple Sclerosis: A Prospective Study." Neurology 2017.

MLA citatie

Kowalec, Kaarina, et al. "Comorbidity Increases the Risk of Relapse in Multiple Sclerosis: A Prospective Study." Neurology 2017.