Indirect spectrophotometric determination of atenolol, isoniazid and pyridoxine hydrochloride using N-bromosuccinimide and neutral red dye. BERJ [Internet]. 2024 Dec. 1 [cited 2026 Oct. 19];20(4):723-5. Available from: https://berj.uomosul.edu.iq/index.php/berj/article/view/37922