TY  - JOUR 
T1  - Determination of sildenafil citrate (Viagra®) in various pharmaceutical formulations by flow injection analysis with multiple pulse amperometric detection
JO  - Journal of the Brazilian Chemical Society
A1  - Lopes Júnior, Antônio Carlos V.
A1  - Luz, Rita de Cássia Silva
A1  - Damos, Flávio S.
A1  - Santos, Alexandre S. dos
A1  - Franco, Diego L.
A1  - Santos, Wallans T. Pio dos
SN  - 0103-5053
UL  - 10.1590/S0103-50532012005000047
VL  - 23 
Y1  - 2012
PB  - Brasil 
ER  -