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Rogers IR, Hew-Butler T.Rogers IR, et al.Wilderness Environ Med. 2009 Summer;20(2):139-43. doi: 10.1580/08-WEME-CON-231R2.1.Wilderness Environ Med. 2009.PMID: 19594207Review.
Bruso JR, Hoffman MD, Rogers IR, Lee L, Towle G, Hew-Butler T.Bruso JR, et al.Wilderness Environ Med. 2010 Dec;21(4):303-8. doi: 10.1016/j.wem.2010.06.012. Epub 2010 Jun 25.Wilderness Environ Med. 2010.PMID: 21168782