@article{SchweigertBuchholzBonitz1998,
  author    = {Schweigert, Florian J. and Buchholz, Ingeborg and Bonitz, K.},
  title     = {Effect of age on the levels of retinol and retinyl ester in blood plasma, liver and kidney of dogs},
  year      = {1998},
  language  = {en}
}