[On the measurement and determination patency of the sino-nasal canal after radical surgery of the frontal sinus].
D001557:Benzenesulfonates; D005626:Frontal Sinus / Q000601:surgery*; D006801:Humans; D009666:Nose; D010256:Paranasal Sinuses
D001557:Benzenesulfonates; C057121:isononanoyl oxybenzene sulfonate
FRONTAL SINUS/surgery