Characteristics and course of bone mineral densities among fast bone losers in a rural Japanese community: the Miyama Study - Yoshimura, N; Takijiri, T; Kinoshita, H; Danjoh, S; Kasamatsu, T; Morioka, S; Sakata, K; Hashimoto, T; Takeshita, T (Osteoporos Int, 2004)