Performance evaluation of automated assays for α-CrossLaps, N-MID-Osteocalcin and intact parathyroid hormone (Biorose multicenter study) - Schmidt-Gayk, H; Spanuth, E; Kötting, J; Bartl, R; Felsenberg, D; Pfeilschifter, J; Raue, F; Roth, H J (Clin Chem Lab Med, 2004)