The displacement of penicillin solution from the nasal chambers into the paranasal sinuses by means of self-induced intranasal negative pressure.
D005402:Fistula; D006801:Humans; D009666:Nose; D010036:Otolaryngology; D010256:Paranasal Sinuses; D010406:Penicillins
D010406:Penicillins
NOSE/medication; PENICILLIN/in otorhinolaryngology; SINUSES, NASAL/medication