TY  - GEN
AU  - Hanaa Ahmed Fadel
AU  - Abeir Osman Dabbous , 
AU  - Mohamed Elbadr Eldabae , 
AU  - Mohamed Tarek Ghannoum , 
TI  - The effect of tympanic membrane perforation on real - ear to coupler difference acoustic transform function / 
PY  - 2008///
CY  - Cairo : 
PB  - Hanaa Ahmed Fadel , 
KW  - Real - ear - to coupler difference
KW  - RECD
KW  - Tympanic membrane perforation
N1  - Thesis (M.Sc.) - Cairo University - Faculty Of Medicine - Department Of E.N.T; Issued also as CD
N2  - RECD in patients with tympanic membrane perforation is lower than normal at frequencies (250 Hz - 750 Hz) we recommend that this discrepancy should be compensated for if average normal RECD are used in the pre - selection of target and gain to avoid under amplification at lower frequencies
ER  -