TY - GEN AU - Bolland,M J AU - Grey,A AU - Gamble,G AU - Reid,I R TI - Comment on Kanis et al.: Pitfalls in the external validation of FRAX SN - 1433-2965 PY - 2013///0610 KW - Humans KW - Osteoporotic Fractures KW - etiology KW - Risk Assessment KW - methods N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1007/s00198-012-1977-y ER -