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

TY  - JOUR
AU  - Singh, M
AU  - Seftel, A D
TI  - The impact of formulary replacement of sildenafil by vardenafil at a local VA hospital
JA  - Int J Impot Res
PY  - 2007/09/06/online
VL  - 20
IS  - 2
SP  - 188
EP  - 191
PB  - Nature Publishing Group
SN  - 0955-9930
UR  - http://dx.doi.org/10.1038/sj.ijir.3901606
ER  -