?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Shigan%2C+E.+N.&rft.aulast=Shigan&rft.aufirst=E.+N.&rft.volume=13&rft.date=1980&rft.issn=03004880&rft.atitle=Models+of+the+health+system+as+a+basis+for+data+collection&rft.title=Public+Health+in+Europe&rft.pages=87-94&rft.genre=article