5-220:
Operations on the paranasal sinuses: Paranasal sinus puncture
Source
Provided by the non-profit organization “Was hab’ ich?” gemeinnützige GmbH on behalf of the Federal Ministry of Health (BMG).
Operations on the paranasal sinuses: Paranasal sinus puncture
Provided by the non-profit organization “Was hab’ ich?” gemeinnützige GmbH on behalf of the Federal Ministry of Health (BMG).