Content-type: text/application/x-research-info-systems

Provider: Nature Publishing Group
Content: application/x-research-info-systems
TY  - JOUR
AU  - Doggrell, S
TI  - Do vardenafil and tadalafil have advantages over sildenafil in the treatment of erectile dysfunction?
JA  - Int J Impot Res
PY  - 2006/12/21/online
VL  - 19
IS  - 3
SP  - 281
EP  - 295
SN  - 0955-9930
UR  - http://dx.doi.org/10.1038/sj.ijir.3901525
ER  -