Vaccination Exemptions — History of Vaccines. The College of Physicians of Philadelphia
Vaccination Exemptions — History of Vaccines [link]Paper  bibtex   
@misc{ the_college_of_physicians_of_philadelphia_vaccination_????,
  title = {Vaccination Exemptions — History of Vaccines},
  url = {http://www.historyofvaccines.org/content/articles/vaccination-exemptions},
  urldate = {2013-11-09},
  author = {{The College of Physicians of Philadelphia}},
  file = {Vaccination Exemptions — History of Vaccines:C\:\\Users\\jdodell\\AppData\\Roaming\\Mozilla\\Firefox\\Profiles\\gngr6308.default\\zotero\\storage\\DENTK3AQ\\vaccination-exemptions.html:text/html}
}
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