TY - JOUR T1 - Comparative application of biological and ninhydrin- derivatized spectrophotometric assays in the evaluation and validation of amikacin sulfate injection JO - Brazilian Journal of Pharmaceutical Sciences A1 - Vaikosen, Edebi Nicholas A1 - Origbo, Samuel Ogheneruona A1 - Ere, Diepreye A1 - Odaderia, Prosper SN - 1984-8250 UL - 10.1590/s2175-97902022e201185 VL - 58 Y1 - 2022 PB - Brasil ER -