[Green-brownish discolaration of egg yolk after feeding a gossypol containing feed to laying-hens].

@article{Hartwigk1967GreenbrownishDO,
  title={[Green-brownish discolaration of egg yolk after feeding a gossypol containing feed to laying-hens].},
  author={H Hartwigk and H G Hilliger and P Tzimas},
  journal={Deutsche tierarztliche Wochenschrift},
  year={1967},
  volume={74 14},
  pages={353-5}
}