TY  - RPRT
TI  - Chronic rhinosinusitis--need for further classification?
AU  - C Rudack
AU  - F Sachse
AU  - J Alberty
PY  - 2004
DO  - 10.1007/s00011-003-1232-2
UR  - https://pubmed.ncbi.nlm.nih.gov/15021966/
ID  - 15021966
ER  -