Klotho gene polymorphisms associated with bone density of aged postmenopausal women - Kawano, K; Ogata, N; Chiano, M; Molloy, H; Kleyn, P; Spector, T D; Uchida, M; Hosoi, T; Suzuki, T; Orimo, H; Inoue, S; Nabeshima, Y; Nakamura, K; Kuro-o, M; Kawaguchi, H (J Bone Mineral Res, 2002)