A. N., Hussein, and AL-qalebi A. A. 2018. “Isolation and Diagnosis of Providencia Rettgeri from Different Clinical Cases and Study Antibiotics – Resistant”. Al-Qadisiyah Journal of Pure Science 22 (3), 109 -20. https://www.journalsc.qu.edu.iq.51-77-64-103.cpanel.site/index.php/JOPS/article/view/672.