Effect of dietary β-carotene on the accumulation of β-carotene and vitamin A in plasma and tissues of gilts Florian J. Schweigert, Ingeborg Buchholz, Annette Schuhmacher and Jürgen GroppReprod. Nutr. Dev., 41 1 (2001) 47-55DOI: https://doi.org/10.1051/rnd:2001111