[Levitra in a hardness test].
Klinik und Poliklinik für Urologie der Universität zu Köln, Postfach 41 1043, 50870 Köln. Frank.Sommer@uni-koeln.de
Frank
F
Sommer
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003430:Cross-Sectional Studies; D007172:Erectile Dysfunction / Q000188:drug therapy / Q000453:epidemiology / Q000451:nursing*; D005858:Germany; D006306:Health Surveys; D006801:Humans; D007093:Imidazoles / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010410:Penile Erection / Q000187:drug effects*; D010879:Piperazines / Q000627:therapeutic use*; D011788:Quality of Life; D013450:Sulfones; D014227:Triazines; D000069058:Vardenafil Dihydrochloride
D007093:Imidazoles; D010879:Piperazines; D013450:Sulfones; D014227:Triazines; D000069058:Vardenafil Dihydrochloride