2021. Assessment of 8-hydroxy-2′deoxyguanosine Activity and Histopathological Alteration in Liver and Intestine of Zebrafish (Daniorerio) Exposed to Arsenic Trioxide . Bulletin of Pure & Applied Sciences- Zoology . 40, 2 (Dec. 2021), 215–225. DOI:https://doi.org/10.48165/.