The effect of crude oil on the biochemical parameters of the blood of white ratsAlibek Ydyrys, Nurzhaniyat Ablaikhanova, Balgyn Amanbay, Kalamkas Seiykadyr and Dana DemeuovaE3S Web Conf., 254 (2021) 09003DOI: https://doi.org/10.1051/e3sconf/202125409003