«Discovery and Development of Major Drugs. Chapter 2 in Pharmaceutical Innovation: Revolutionizing Human Health. Volume 2 of Chemical Heritage Foundation series in innovation and entrepreneurship. Eds Ralph Landau, Basil Achilladelis, Alexander Scriabine. Chemical Heritage Foundation, 1999. ISBN 9780941901215p 185 [Архівовано 29 квітня 2021 у Wayback Machine.] (англ.)
«Discovery and Development of Major Drugs. Chapter 2 in Pharmaceutical Innovation: Revolutionizing Human Health. Volume 2 of Chemical Heritage Foundation series in innovation and entrepreneurship. Eds Ralph Landau, Basil Achilladelis, Alexander Scriabine. Chemical Heritage Foundation, 1999. ISBN 9780941901215p 185 [Архівовано 29 квітня 2021 у Wayback Machine.] (англ.)