TY  - JOUR 
T1  - Determination of optimum wavelength and derivative order in spectrophotometry for quantitation of hydroquinone in creams
JO  - Revista Brasileira de Ciências Farmacêuticas
A1  - García, Pedro López
A1  - Santoro, Maria Inês Rocha Miritello
A1  - Singh, Anil Kumar
A1  - Kedor-Hackmann, Erika Rosa Maria
SN  - 1516-9332
UL  - 10.1590/S1516-93322007000300008
VL  - 43 
Y1  - 2007
PB  - Brasil 
ER  -