@article{UBHD-68702003,
  author={Kreft, Heidi and Hack, Hildegard and Roelcke, Dieter},
  title={Cold agglutinin isotypes},
  year={1999},
  pages={240-243},
  language={eng},
  issn={1660-3818},
  volume={26},
  number={4},
  note={Gesehen am 22.02.2021},
  journal={Transfusion medicine and hemotherapy},
  doi={10.1159/000053495},
}
@incollection{UBHD-68707490,
  author={Leo, Albrecht and Kreft, Heidi and Hack, Hildegard and Roelcke, Dieter},
  title={Effect of low ionic strength on anti-Pr reactions},
  year={1996},
  pages={22-25},
  language={eng},
  booktitle={Beitr{\"a}ge zur Infusionstherapie und Transfusionsmedizin},
}