Studies in penicillin hypersensitivity. IV. Antigenic properties of altered procaine penicillin.

@article{Siegel1957StudiesIP,
  title={Studies in penicillin hypersensitivity. IV. Antigenic properties of altered procaine penicillin.},
  author={B Siegel and Mary Coleman},
  journal={The Journal of allergy},
  year={1957},
  volume={28 3},
  pages={264-71}
}