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van der Graaff SJA, Meuffels DE, Bierma-Zeinstra SMA, van Es EM, Verhaar JAN, Eggerding V, Reijman M.van der Graaff SJA, et al.Am J Sports Med. 2022 Mar;50(3):645-651. doi: 10.1177/03635465211068532. Epub 2022 Jan 20.Am J Sports Med. 2022.PMID: 35048733Free article.Clinical Trial.
Lievense A, Bierma-Zeinstra S, Schouten B, Bohnen A, Verhaar J, Koes B.Lievense A, et al.Br J Gen Pract. 2005 Mar;55(512):199-204.Br J Gen Pract. 2005.PMID: 15808035Free PMC article.