Domenici, V., M. Gabriele, E. Parri, A. Felicioli, S. Sagona, L. Pozzo, C. Biondi, & L. Pucci. " Phytochemical composition and antioxidant activity of Tuscan bee pollen of different botanic origins." Italian Journal of Food Science [Online], 27.2 (2015): 248-259. Web. 30 Mar. 2020