TY - RPRT TI - [Multi-level surgery for obstructive sleep apnea. Preliminary objective results]. AU - T Verse AU - A Baisch AU - K Hörmann PY - 2004 DO - 10.1055/s-2004-814553 UR - https://pubmed.ncbi.nlm.nih.gov/15316892/ ID - 15316892 ER -