?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Chatta%2C+Noreen&rft.aulast=Chatta&rft.aufirst=Noreen&rft.degree=Master+Essay&rft.date=24+April+2017&rft.title=Contributing+factors+to+gaps+in+vaccination+coverage+in+conflict-affected+populations&rft.inst=University+of+Pittsburgh&rft.tpages=71