@article{PhysRevFocus.27.25,
  title = {Weighing DNA Down to the Zeptogram},
  author = {Harris, David},
  journal = {Phys. Rev. Focus},
  volume = {27},
  issue = {},
  pages = {25},
  numpages = {1},
  year = {2011},
  month = {Jun},
  doi = {10.1103/PhysRevFocus.27.25},
  url = {http://link.aps.org/doi/10.1103/PhysRevFocus.27.25},
  publisher = {American Physical Society}
}