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Bell AF, White-Traut R, Wang EC, Schwertz D.Bell AF, et al. Among authors: schwertz d.Biol Res Nurs. 2012 Jul;14(3):269-76. doi: 10.1177/1099800411413460. Epub 2011 Jun 30.Biol Res Nurs. 2012.PMID: 21719528Free PMC article.
Carter CS, Pournajafi-Nazarloo H, Kramer KM, Ziegler TE, White-Traut R, Bello D, Schwertz D.Carter CS, et al. Among authors: schwertz d.Ann N Y Acad Sci. 2007 Mar;1098:312-22. doi: 10.1196/annals.1384.006.Ann N Y Acad Sci. 2007.PMID: 17435137Review.