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Kohn R, Rubenfeld GD, Levy MM, Ubel PA, Halpern SD.Kohn R, et al. Among authors: halpern sd.Intensive Care Med. 2011 Jul;37(7):1210-7. doi: 10.1007/s00134-011-2257-6. Epub 2011 Jun 7.Intensive Care Med. 2011.PMID: 21647719
Hua M, Halpern SD, Gabler NB, Wunsch H.Hua M, et al. Among authors: halpern sd.Intensive Care Med. 2016 Jun;42(6):987-94. doi: 10.1007/s00134-016-4240-8. Epub 2016 Feb 9.Intensive Care Med. 2016.PMID: 26862018Free PMC article.