1
by Martin, William P., le Roux, Carel W.
Published 2022
Springer

10
by Parkkinen, Veli-Pekka
Published 2018
Springer Open

11
Published 2017
Springer Open

12
Published 2008
World Health Organization

14
Published 2016
World Health Organization Regional Office for Europe

15
Published 2016
Springer

16
Published 2016
Springer

18
Published 2016
World Health Organization Regional Office for Europe