Sinusotomy frontal; nonobliterative, with osteoplastic flap, brow incision
sinusotomy frontal; nonobliterative, with osteoplastic flap, brow incision
Sinusotomy frontal; nonobliterative, with osteoplastic flap, brow incision
sinusotomy frontal; nonobliterative, with osteoplastic flap, brow incision