H. Abdul Razzak, Faris, فارس, Sadallah T. Sulaiman, and سعدالله. “Differential- Pulse Polarographic Determination of Doxycycline in Serum and Urine”. Rafidain Journal of Science 19, no. 1 (June 24, 2025): 52–58. Accessed August 10, 2025. https://ojs.uomosul.edu.iq/index.php/rsci/article/view/12843.