21
by Bremmer, H. J., Engelen, J. G. M. van
Published 2006
National Institute for Public Health and the Environment

22
Published 1987
National Academies Press

24
Published 2019
National Toxicology Program, Public Health Service, U.S. Department of Health and Human Services

26
Published 2020
Canadian Agency for Drugs and Technologies in Health

29
Published 2021
World Health Organization

31
by Kipke, Michele D.
Published 1999
National Academy Press

32
by Hickam, David H.
Published 2003
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Healthcare Research and Quality

35
by Meesters, J. A. J., Nijkamp, M. M., Schuur, A. G., Biesebeek, J. D. te
Published 2018
National Institute for Public Health and the Environment, Ministry of Health, Welfare and Sport

38
Published 1999
American Academy of Microbiology