{
   "source_x": "PMC",
   "title": "PNAS Plus Significance Statements",
   "doi": "http://dx.doi.org/10.1073/pnas.ss11415",
   "pmcid": "PMC5393212",
   "id": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5393212"
}