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Helgeson SA, Levitt JE, Festic E.Helgeson SA, et al.Acta Med Acad. 2020 Apr;49(1):9-20. doi: 10.5644/ama2006-124.279.Acta Med Acad. 2020.PMID: 32738113Free article.Review.
Bui AD, Helgeson SA, Guru PK, Sanghavi DK.Bui AD, et al. Among authors: helgeson sa.BMJ Case Rep. 2020 Jun 28;13(6):e233432. doi: 10.1136/bcr-2019-233432.BMJ Case Rep. 2020.PMID: 32595128Free PMC article.
Helgeson SA, Wilson ME, Guru PK.Helgeson SA, et al.BMJ Case Rep. 2017 Jul 24;2017:bcr2017221174. doi: 10.1136/bcr-2017-221174.BMJ Case Rep. 2017.PMID: 28739569Free PMC article.
Helgeson SA, Waddle MR, Burnside RC, Debella YT, Lee AS, Burger CD, Li Z, Johnson PW, Patel NM.Helgeson SA, et al.South Med J. 2021 Sep;114(9):607-613. doi: 10.14423/SMJ.0000000000001293.South Med J. 2021.PMID: 34480196