Quantitative characterization of unsaturated and trans fatty acids in ewe’s milk fat Hanane Goudjil, Javier Fontecha, Pilar Luna, Miguel Angel de la Fuente, Leocadio Alonso and Manuela Juárez Lait, 84 5 (2004) 473-482 Published online: 04 August 2004 DOI: 10.1051/lait:2004017