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Szyszka-Sommerfeld L, Machoy M, Lipski M, Woźniak K.Szyszka-Sommerfeld L, et al.Pain Res Manag. 2020 Aug 13;2020:9750915. doi: 10.1155/2020/9750915. eCollection 2020.Pain Res Manag. 2020.PMID: 32855751Free PMC article.