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Heisler CA, Melton LJ 3rd, Weaver AL, Gebhart JB.Heisler CA, et al. Among authors: gebhart jb.Mayo Clin Proc. 2010 Feb;85(2):145-9. doi: 10.4065/mcp.2009.0299.Mayo Clin Proc. 2010.PMID: 20118390Free PMC article.