TY - JOUR AU - Warden, S J; Mantila Roosa, S M; Kersh, M E TI - Physical activity when young provides lifelong benefits to cortical bone size and strength in men JO - Proc Natl Acad Sci U S A VL - 111 PY - 2014 DO - 10.1073/pnas.1321605111 L3 - PubMed-ID: 24706816 SP - 5337 EP - 5342 N1 - et al. ER -