Batch and Flow Injection Spectrophotometric Determination of Doxycycline Hyclate in Pharmaceutical Preparations. Al-Nahrain Journal of Science, [S. l.], v. 18, n. 3, p. 24–32, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/303.. Acesso em: 4 may. 2024.