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Rowland SA, Berg KE, Kupzyk KA, Pullen CH, Cohen MZ, Schulz PS, Yates BC.Rowland SA, et al. Among authors: pullen ch.Workplace Health Saf. 2018 Sep;66(9):428-436. doi: 10.1177/2165079917753690. Epub 2018 Jun 21.Workplace Health Saf. 2018.PMID: 29929437Free PMC article.Clinical Trial.