TY - GEN AU - WILLIAMS,D E AU - MASON,R L TI - Bone density measurements in vivo SN - 0036-8075 PY - 1998///1101 KW - Bone Density KW - Bone and Bones KW - Laboratories N1 - Publication Type: Journal Article UR - https://doi.org/10.1126/science.138.3536.39 ER -