TY - JOUR T1 - New reagents for the spectrophotometric determination of ranitidine hydrochloride JO - Eclética Química A1 - Narayana, B A1 - Veena, K A1 - Ashwani, K A1 - Shetty, Divya. N SN - 0100-4670 UL - 10.1590/S0100-46702010000300010 VL - 35 Y1 - 2010 PB - Brasil ER -