Trans isomers of long-chain n-3 polyunsaturated fatty acids in tissue lipid classes of rats fed with heated linseed oil André Grandgirard, Annick Piconneaux, Jean-Louis Sebedio. and Franck Julliard Reprod. Nutr. Dev., 38 1 (1998) 17-29 DOI: 10.1051/rnd:19980102