Esophageal cancer, micronutrient malnutrition, and silica fragments.

@article{Rensburg1982EsophagealCM,
  title={Esophageal cancer, micronutrient malnutrition, and silica fragments.},
  author={Susan Janse van Rensburg},
  journal={Lancet},
  year={1982},
  volume={2 8307},
  pages={1098-9}
}