The endoscopic Draf II frontal sinusotomy: non-navigated approach.
Eviatar E, Katzenell U, Segal S, Shlamkovitch N, Kalmovich LM, Kessler A, Vaiman M.
Rhinology. 2006 Jun;44(2):108-13.
PMID:16792168
Deposition of drugs in the nose and sinuses with an exhalation delivery system vs conventional nasal spray or high-volume irrigation in Draf II/III post-surgical anatomy.