Fatibello-Filho, Orlando, and Heberth Juliano Vieira. 2009. “Spectrophotometric Flow Injection System for Determination of Zn2+ in Ophthalmic Formulations Using Alizarin Red S”. Eclética Química 34 (2):67-72. https://doi.org/10.26850/1678-4618eqj.v34.2.2009.p67-72.