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Smith MT, Baer GD.Smith MT, et al. Among authors: baer gd.Arch Phys Med Rehabil. 1999 Apr;80(4):442-7. doi: 10.1016/s0003-9993(99)90283-6.Arch Phys Med Rehabil. 1999.PMID: 10206608
Puh U, Baer GD.Puh U, et al. Among authors: baer gd.Disabil Rehabil. 2009;31(3):202-10. doi: 10.1080/09638280801903039.Disabil Rehabil. 2009.PMID: 18608434