English, Sylvia. “Should We Live for 200 or More Years : Aubrey De Grey Has a Plan to Radically Extend Human Life Span. Is It a Good Idea?”. Voices in Bioethics 1 (April 2, 2014). Accessed May 7, 2024. https://journals.library.columbia.edu/index.php/bioethics/article/view/6512.