TY - RPRT TI - Early experiences with cervical disc prostheses. AU - B Jöllenbeck AU - R Hahne AU - A Schubert AU - R Firsching PY - 2004 DO - 10.1055/s-2004-822787 UR - https://pubmed.ncbi.nlm.nih.gov/15306976/ ID - 15306976 ER -