Is tryptophan catabolism increased under indoleamine 2,3 dioxygenase activity during chronic lung inflammation in pigs? Delphine Melchior, Nadine Mézière, Bernard Sève and Nathalie Le Floc’hReprod. Nutr. Dev., 45 2 (2005) 175-183DOI: https://doi.org/10.1051/rnd:2005013