publication Journal Article 2012 Study of the in vitro antiplasmodial, antileishmanial and antitrypanosomal activities of medicinal plants from Saudi Arabia. more of publication Presence of laxative and antidiarrheal activities in Periploca aphylla: A Saudi medicinal plant In vitro antiprotozoal activity of triterpenoid constituents of Kleinia odora growing in Saudi Arabia by - Al Musayeib, N. M., Mothana, R. A., El Gamal, A. A., Al-Massarani, S. M., & Maes, L. 2013 Study of the in vitro antiplasmodial, antileishmanial and antitrypanosomal activities of medicinal plants from Saudi Arabia. by Al-Musayeib, N. M., Mothana, R. A., Al-Massarani, S., Matheeussen, A., Cos, P., & Maes, L. 2012