Bulletin of the World Health Organization
Volume 97, Number 11, November 2019, 729-788
https://www.who.int/bulletin/volumes/97/11/en/

Research
Triangulation of measles vaccination data in the United Kingdom of Great Britain and Northern Ireland
— Michael Edelstein, Joanne White, Antoaneta Bukasa, Vanessa Saliba & Mary Ramsay
http://dx.doi.org/10.2471/BLT.18.229138