Vanbelle, M., Teller, E., & Larondelle, Y. (1993). Improvements in animal and feed production and human safety. Publication n°69 de l’Unité de Biochimie de la Nutrition, CIACO Presses, Louvain-la-Neuve. 1993, 69. https://hdl.handle.net/2078.5/72517 (Original work published 1993)