?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Heilman%2C+Dana&rft.aulast=Heilman&rft.aufirst=Dana&rft.degree=Master+Essay&rft.date=10+August+2017&rft.title=Social+disorganization+theory+and+Hepatitis+C+incidence&rft.inst=University+of+Pittsburgh&rft.tpages=53