TY  - JOUR 
T1  - Simultaneous determination of rifampicinand isoniazid in urineand pharmaceutical formulations by multivariate visible spectrophotometry
JO  - Journal of the Brazilian Chemical Society
A1  - Stets, Sandra
A1  - Tavares, Talita M.
A1  - Peralta-Zamora, Patricio G.
A1  - Pessoa, Christiana A.
A1  - Nagata, Noemi
SN  - 0103-5053
UL  - 10.5935/0103-5053.20130154
VL  - 24 
Y1  - 2013
PB  - Brasil 
ER  -