'deroofing' van meatus acusticus externus (verrichting) | | 'deroofing' van meatus acusticus externus | | 'unroofing' van uitwendige gehoorgang
| | Unroofing of external auditory canal | | Unroofing of external auditory meatus Unroofing of external acoustic meatus Deroofing of external auditory canal
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