A-S, U., H. “Physiological Adaptations and Anatomical Distortions Occurred at Some Respiratory System Physical & Architectural Components in the Frogs Affected by the Nasty Environment of Karun River”. Al-Qadisiyah Journal of Pure Science, Vol. 20, no. 3, July 2018, pp. 11 -25, https://journalsc.qu.edu.iq/index.php/JOPS/article/view/825.