@article{articlec0362c58,
title   = {Determination of piroxicam in pharmaceutical preparations by ultraviolet direct spectrophotometry ultraviolet difference spectrophotometry and high performance liquid chromatography},
author = {Kedor-Hackmann, Erika Rosa Maria and Gianotto, E A S and Santoro, Maria Inês Rocha Miritello},
year = {1993},
doi = {10.1080/00032719308017383},
journal   = {Analytical Letters}
}