de Pablo, Manuel A., María A. Puertollano, and Gerardo Álvarez de Cienfuegos. 2004. “Olive Oil and Immune System Functions: Potential Involvement in Immunonutrition”. Grasas Y Aceites 55 (1):42-51. https://doi.org/10.3989/gya.2004.v55.i1.146.