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