Rufino JL, Pezza HR, Pezza L. A simple spectrophotometric method for the determination of tetracycline and doxycycline in pharmaceutical formulations using chloramine-T. Eclet. Quim. [Internet]. 2010 Dec. 27 [cited 2024 Sep. 16];35(4):139-45. Available from: https://revista.iq.unesp.br/ojs/index.php/ecletica/article/view/241