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Tverdal CB, Howe EI, Røe C, Helseth E, Lu J, Tenovuo O, Andelic N.Tverdal CB, et al. Among authors: helseth e.J Rehabil Med. 2018 Jun 15;50(6):505-513. doi: 10.2340/16501977-2332.J Rehabil Med. 2018.PMID: 29620136Free article.