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O'Connor CM, Radensky PW, Unger AN, Martin BC.O'Connor CM, et al. Among authors: radensky pw.Clin Ther. 1999 Jul;21(7):1254-65. doi: 10.1016/S0149-2918(00)80027-2.Clin Ther. 1999.PMID: 10463522Clinical Trial.