@article{SchweigertBonitzSieglingetal.1999,
  author    = {Florian J. Schweigert and K. Bonitz and Christiane Siegling and Ingeborg Buchholz},
  title     = {Distribution of vitamin A, retinol-binding protein (RBP), cellular retinoic acid binding protein (CRABPI) and retinoid X receptor ß (RXRß) in the porcine uterus during early gestation},
  year      = {1999},
}