Valenzuela, A., S. Nieto, and R. Uauy. 1993. “Technological Challenges to Assess N-3 Polyunsaturated Fatty Acids from Marine Oils for Nutritional and Pharmacological Use”. Grasas Y Aceites 44 (1):39-46. https://doi.org/10.3989/gya.1993.v44.i1.1119.