TY  - BOOK
AU  - Khaled Abdelmo'ti Hafez
AU  - Ahmed Atef Abdelgawad , 
AU  - Mahmoud Ashraf Ragab , 
AU  - Mohammed Ahmed Rashed , 
TI  - Nasal valve surgery / 
PY  - 2010///
CY  - Cairo : 
PB  - Khaled Abdelmo'ti Hafez , 
KW  - Disorders of  nasal valve
KW  - Nasal valve
KW  - Nasal valve collapse
N1  - Thesis (M.Sc.) - Cairo University - Faculty of Medicine - Department of E.N.T; Issued also as CD
N2  - The nasal valve area is not a singular structure but a complex three dimensional construct consisting of several morphological structures . From the physiologic point of view it is the place of maximum nasal flow resistance (flow limiting segment) . Therefore according to poiseuille's law even minor costrictions of this area result in a clinically relevant impairment of nasal breathing for the patient
ER  -