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Johannsen MM, Shin KJ, Priebe K, Coker RH.Johannsen MM, et al. Among authors: coker rh.Wilderness Environ Med. 2018 Jun;29(2):221-225. doi: 10.1016/j.wem.2018.02.005. Epub 2018 Apr 5.Wilderness Environ Med. 2018.PMID: 29628417