{
   "title": "Advances in Fluorine Research and Dental Caries Prevention",
   "first-renewed-issue": "none",
   "first-renewed-issue-source": "database",
   "first-renewed-contribution": "none",
   "first-renewed-contribution-source": "database",
   "additional-note": 
      "This is a British publication. Its contents may still be copyrighted even without renewals or copyright notices, if they meet GATT copyright restoration requirements for works first published outside the US. Penn's copies are published in New York by Macmillan, under special arrangement with Pergamon Press in England.",
   "responsibility": {
      "authorized": "Mark Ockerbloom, John, 1966-",
      "contact": "ockerblo@pobox.upenn.edu"
   },
   "acknowledgement": 
      "Thanks to Iren Sokolova for copyright research on this title.",
   "last-updated": "2021-04-13"
}