Smalyakova, Raisa M. “Molecular Biological Diagnostics of Adenocarcinomas from an Undetected Primary Focus”. Journal of the Belarusian State University. Ecology, no. 4March 4, 2019: 94-100. Accessed April 15, 2025. https://journals.bsu.by/index.php/ecology/article/view/2687.