@article{n. takai2008malignant,
  title={Primary malignant melanoma of the vagina},
  author={n. takai,n. kai,y. hirata,k. kashima,h. narahara},
  journal={European Journal of Gynaecological Oncology},
  volume={29},
  number={5},
  pages={558--559},
  doi = {10.12892/ejgo200805558},
  year={2008}
}