论文部分内容阅读
据报道,乌克兰科学家研究发现,近年来乌境内鱼类患肿瘤性疾病的比例急剧上升,例如五年前在第聂伯河鱼类身上发现患有肿瘤
It has been reported that a Ukrainian scientist study found that in recent years the proportion of fish suffering from neoplastic diseases in the territory of Uzbekistan has risen sharply. For example, tumors found on Dnieper fish five years ago were found