2
by Lavis, John, Permanand, Govin, Catallo, Cristina
Published 2013
European Observatory on Health Systems and Policies

3
Published 2020
National Toxicology Program, Public Health Service, U.S. Department of Health and Human Services

4
Published 2020
National Toxicology Program, Public Health Service, U.S. Department of Health and Human Services

6
Published 2003
NHS, National Institute for Clinical Excellence

7
by Olson, Steve
Published 2015
National Academies Press

8
Published 2022
The National Academies Press

14
Published 2017
International Agency for Research on Cancer

15
Published 2020
World Health Organization

20
by Reid, Ann
Published 2014
American Academy of Microbiology