Part,  Chapter, Paragraph

1   II,     5.  5.  3| population-based studies (ie, 50 000 pop. and over, registry-based
2  III,    10.  3.  2|              Platinum group elements~POP~Persistent Organic Pollutants~
3  III,    10.  3.  2|            bears have high levels of POP residues in their bodies
4  III,    10.  4.  5|            Polychlorinated biphenyls~POP~Persistent Organic Pollutants~
5   IV,    12. 10    |              Stockholm convention on POP and has published it’s national
6   IV,    12. 10    |       Persistent organic pollutants (POP)~POPs in breast milk~ ~POPs