A frontal sinus drain.
Department of Otolaryngology, Southhampton University Hospitals, Southhampton, UK. hasnaa@doctors.org.uk
H
H
Ismail
J
J
Bowden
W P
WP
Hellier
A
A
Husband
D004322:Drainage / Q000295:instrumentation*; D004867:Equipment Design; D015522:Frontal Sinusitis / Q000601:surgery*; D006801:Humans