Before revision: In February 2019, Ethel-Michele de Villiers presented evidence of a previously unknown infectious agent in the blood serum and milk of Eurasian cattle that could indirectly trigger the development of colon cancer.
After revision: In February 2019, Ethel-Michele de Villiers presented evidence of a previously unknown infectious agent in the blood serum and milk of Eurasian cattle that could indirectly trigger the development of colorectal cancer.