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Kao LS, Lally KP, Thomas EJ, Tyson JE.Kao LS, et al. Among authors: lally kp.J Am Coll Surg. 2009 Apr;208(4):621-6. doi: 10.1016/j.jamcollsurg.2009.01.021.J Am Coll Surg. 2009.PMID: 19476799No abstract available.