Electron microscopic observations on the nurse cells in sea urchin ovary.

@article{Takashima1968ElectronMO,
  title={Electron microscopic observations on the nurse cells in sea urchin ovary.},
  author={Yuhei Takashima},
  journal={Medical journal of Osaka University},
  year={1968},
  volume={19 2},
  pages={
          113-26
        }
}