M. U. Nooman, M. H. Mahmoud, A. S. Al-kashef, and M. M. Rashad, “Hypocholesterolemic impact of newly isolated sophorolipids produced by microbial conversion of safflower oil cake in rats fed high-fat and cholesterol diet”, Grasas aceites, vol. 68, no. 3, p. e212, Sep. 2017.