Valenzuela, A., Nieto, S. and Uauy, R. 1993. Technological challenges to assess n-3 polyunsaturated fatty acids from marine oils for nutritional and pharmacological use. Grasas y Aceites. 44, 1 (Feb. 1993), 39–46. DOI:https://doi.org/10.3989/gya.1993.v44.i1.1119.