TY  - JOUR
A1  - Englert, Heike
A1  - Schäfer, GA.
A1  - Roll, S.
A1  - Ahlers, CJ.
A1  - Beier, K.
A1  - Willich, SN.
T1  - Prevalence of erectile dysfunction among middle-aged men in a metropolitan area in Germany
JF  - Int J Impotence Res
Y1  - 2007
SN  - 0955-9930
VL  - 19
SP  - 183
EP  - 188
ER  - 
TY  - JOUR
A1  - Englert, Heike
A1  - Schaefer, GA.
A1  - Roll, S.
A1  - Beier, K.
A1  - Willich, SN.
T1  - Prevalence of Erectile Dysfunction in a Metrolpolitan Population of Men Aged 40-79
JF  - Gac Sanit
Y1  - 2003
SN  - 1578-1283
VL  - 17 (Suppl 2)
SP  - 175
EP  - -
ER  - 
TY  - JOUR
A1  - Englert, Heike
A1  - Schaefer, GA.
A1  - Roll, S.
A1  - Ahlers, C.
A1  - Beier, K.
A1  - Willich, SN.
T1  - Association between erectile dysfunction and cardiac risk factors in Berlin men aged 40-79
JF  - Biometrical J
Y1  - 2004
SN  - 1521-4036
VL  - 46 (Suppl.)
SP  - 132
EP  - -
ER  - 
TY  - JOUR
A1  - Englert, Heike
A1  - Schaefer, GA.
A1  - Roll, S.
A1  - Beier, K.
A1  - Willich, SN.
T1  - The Prevalence of Erectile 		Dysfunction using different Definitions
JF  - J Epi Community Health
Y1  - 2004
SN  - 0143-005X
VL  - 58
SP  - 20
EP  - -
ER  -