[Hemoglobin, serum iron, and serum protein values in blood donors; effect of repeated blood donations on healthy persons].

@article{Norberg1956HemoglobinSI,
  title={[Hemoglobin, serum iron, and serum protein values in blood donors; effect of repeated blood donations on healthy persons].},
  author={B O Norberg and Olof Ramgren},
  journal={Nordisk medicin},
  year={1956},
  volume={56 46},
  pages={1649-53}
}