TY  - RPRT
TI  - [ENT relevant changes in the German OPS Procedure Classification System for 2006].
AU  - J Alberty
AU  - D Franz
PY  - 2006
DO  - 10.1055/s-2006-925196
UR  - https://pubmed.ncbi.nlm.nih.gov/16612749/
ID  - 16612749
ER  -