TY - GEN AU - O'Brien,M TI - Osteoporosis and exercise SN - 0306-3674 PY - 1997///0130 KW - Aged KW - Bone Density KW - Bone and Bones KW - anatomy & histology KW - Exercise KW - Female KW - Fractures, Bone KW - prevention & control KW - Humans KW - Male KW - Middle Aged KW - Muscle, Skeletal KW - Osteoporosis KW - pathology KW - Osteoporosis, Postmenopausal KW - Risk Factors N1 - Publication Type: Editorial UR - https://doi.org/10.1136/bjsm.30.3.191 ER -