@article{paravastu2008-19015532,
  author  = {Paravastu, A. K. and Leapman, R. D. and Yau, W. M. and Tycko, R.},
  title   = {{Molecular structural basis for polymorphism in Alzheimer's beta-amyloid fibrils}},
  journal = {Proceedings of the National Academy of Sciences of the United States of America},
  year    = {2008},
  doi     = {10.1073/pnas.0806270105},
  pmid    = {19015532},
  url     = {https://doi.org/10.1073/pnas.0806270105}
}