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Cohen SE, Hamilton CL, Riley ET, Walker DS, Macario A, Halpern JW.Cohen SE, et al. Among authors: halpern jw.Anesthesiology. 1998 Dec;89(6):1559-65. doi: 10.1097/00000542-199812000-00036.Anesthesiology. 1998.PMID: 9856733Free article.
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