Some aspects of the immune defense against cancer. II. In vitro studies on human tumors.

@article{Hellstrm1971SomeAO,
  title={Some aspects of the immune defense against cancer. II. In vitro studies on human tumors.},
  author={Ingegerd Hellstr{\"o}m and Karl Erik Hellstr{\"o}m},
  journal={Cancer},
  year={1971},
  volume={28 5},
  pages={1269-71}
}