@article{DuanNagelGao2019,
  author    = {Xiaodong Duan and Georg Nagel and Shiqiang Gao},
  title     = {Mutated channelrhodopsins with increased sodium and calcium permeability},
  journal   = {Applied Sciences},
  volume    = {9},
  number    = {4},
  doi       = {10.3390/app9040664},
  year      = {2019},
}