{
   "title": "Aging",
   "title-note": "US government publication, 1951-1996",
   "online": "1",
   "first-issue": {"issue-date": "1951-06-18", "number": "1"},
   "first-renewed-issue": "none",
   "first-renewed-issue-source": "database",
   "first-renewed-contribution": "none",
   "first-renewed-contribution-source": "database",
   "last-issue": {"issue-date": "1996", "number": "367"},
   "addiional-note": "This is a US government publication.",
   "responsibility": {
      "authorized": "Mark Ockerbloom, John, 1966-",
      "contact": "ockerblo@pobox.upenn.edu"
   },
   "acknowledgement": 
      "Thanks to Eri Mizukane for copyright research on this title.",
   "last-updated": "2020-08-25"
}