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Gregg EW, Kriska AM, Salamone LM, Wolf RL, Roberts MM, Ferrell RE, Anderson SJ, Kuller LH, Cauley JA.Gregg EW, et al.Osteoporos Int. 1999;10(5):416-24. doi: 10.1007/s001980050248.Osteoporos Int. 1999.PMID: 10591840Clinical Trial.