Timing of peak bone mass in Caucasian females and its implication for the prevention of osteoporosis: Inference from a cross-sectional model - Matkovic, V; Jelic, T; Wardlaw, G M; Llich, J Z; Goel, P K; Wright, J K; Andon, M B; Smith, K T; Heaney, R P (J Clin Invest, 1994)