Isaac Kingsley Amponsah, Francis Ackah Armah, John Alake, Benjamin Kingsley Harley, Elikplim Kwesi Ampofo, Evelyn Asante-Kwatia, Aglomasa Bill Clinton, Benjamin Amoani and Isaac Tabiri Henneh 2020. In-vitro Anti-cercarial activity of extracts and steroidal alkaloids from the stem bark of Holarrhena floribunda (G. Don) Dur. & Schinz. International Journal of Phytomedicine. 12, 3 (Sep. 2020), 69–78.