Bone cell activity influences bone fragility and fracture risk. (9th March 2010) - Caetano-Lopes, J; Aleixo, I; Rodrigues, A; Perpétuo, I P; Fernandes, D; Lopes, A; Pena, A; Faustino, A; Vale, M; Amaral, P M; Monteiro, J; Vaz, M F; et al.