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Nierenburg H, Vieira JR, Lev N, Lin T, Harris D, Vizel M, Ironi A, Lewis B, Wright P.Nierenburg H, et al. Among authors: harris d.Pain Ther. 2020 Dec;9(2):531-543. doi: 10.1007/s40122-020-00185-1. Epub 2020 Jul 9.Pain Ther. 2020.PMID: 32648205Free PMC article.
Hershey AD, Lin T, Gruper Y, Harris D, Ironi A, Berk T, Szperka CL, Berenson F.Hershey AD, et al. Among authors: harris d.Headache. 2021 Feb;61(2):310-317. doi: 10.1111/head.14042. Epub 2020 Dec 21.Headache. 2021.PMID: 33349920Clinical Trial.