Vaccine
Volume 36, Issue 34 Pages 5107-5218 (16 August 2018)
https://www.sciencedirect.com/journal/vaccine/vol/36/issue/33
Vaccination status of children aged 1–4 years in Afghanistan and associated factors, 2015
Original research article
Pages 5141-5149
Luke M. Shenton, Abram L. Wagner, Bradley F. Carlson, Mohammad Yousuf Mubarak, Matthew L. Boulton