1
Published 2004
American Chemical Society

7
Published 2011
American Chemical Society
Subjects: ...National Wildlife Refuge System (U.S.)...

8
Published 2000
American Chemical Society
Subjects: ...Hawaiian Islands National Wildlife Refuge (Hawaii)...

9
Published 1987
American Chemical Society
Subjects: ...National Institutes of Health (U.S.) / Rules and practice...

10
Published 2018
American Chemical Society
Subjects: ...National parks and reserves / California / Effect of pesticides on / Risk assessment...

11
Published 1988
American Chemical Society
Subjects: ...National Agricultural Chemicals Association...

12
Published 2001
American Chemical Society

13
Published 1992
American Chemical Society

14
Published 2019
American Chemical Society

15
Published 1990
American Chemical Society

16
Published 2010
American Chemical Society

17
Published 1989
American Chemical Society

18
Published 1990
American Chemical Society

19
Published 1997
American Chemical Society

20
Published 1989
American Chemical Society