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Mavandadi S, Ten Have TR, Katz IR, Durai UN, Krahn DD, Llorente MD, Kirchner JE, Olsen EJ, Van Stone WW, Cooley SL, Oslin DW.Mavandadi S, et al.J Am Geriatr Soc. 2007 Feb;55(2):202-11. doi: 10.1111/j.1532-5415.2007.01042.x.J Am Geriatr Soc. 2007.PMID: 17302656Clinical Trial.