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Olij, Branko F., Ellen Kemler, Huib Valkenberg, Christine Stam, Vincent Gouttebarge, und Evert Verhagen. "Trends in Sports-related Emergency Department Visits in the Netherlands, 2009–2018." BMJ Open Sport Exerc Med 2020.

Olij, Branko F., et al. "Trends in Sports-related Emergency Department Visits in the Netherlands, 2009–2018." BMJ Open Sport Exerc Med 2020.