Owen, R W; Haubner, R; Würtele, G; Hull, W E; Spiegelhalder, B; Bartsch, H (2004). ”Olives and olive oil in cancer prevention”. European Journal of Cancer Prevention 13 (4): sid. 319–26. doi:10.1097/01.cej.0000130221.19480.7e. PMID 15554560.
Bloch, Konrad E. (1983). ”Sterol, Structure and Membrane Functio”. Critical Reviews in Biochemistry and Molecular Biology 14: sid. 47–92. doi:10.3109/10409238309102790.
Owen, R W; Haubner, R; Würtele, G; Hull, W E; Spiegelhalder, B; Bartsch, H (2004). ”Olives and olive oil in cancer prevention”. European Journal of Cancer Prevention 13 (4): sid. 319–26. doi:10.1097/01.cej.0000130221.19480.7e. PMID 15554560.