The plasmids of Haemophilus ducreyi.

@article{McNicol1984ThePO,
  title={The plasmids of Haemophilus ducreyi.},
  author={P J McNicol and Allan R. Ronald},
  journal={The Journal of antimicrobial chemotherapy},
  year={1984},
  volume={14 6},
  pages={561-4}
}