@article{SchweigertBuchholzSchumacheretal.2001,
  author    = {Florian J. Schweigert and Ingeborg Buchholz and A. Schumacher and J. Gropp},
  title     = {Effect of dietary ß-carotene on the accumulation of ß-carotene and vitamin A in plasma and tissues of gilts},
  year      = {2001},
}