2222-145X 2222-145X S2222-145X2021000200096 10.18004/rcfacen.2021.12.2.96 Paraguay Paraguay 00 12 2021 00 12 2021 12 2 96 103

2018 6 4 4 7-13 2017 11 1 1 185-94 2016 24 2 2 645-52 2019 9 1 1 1-8. 2017 10 147 147 1-5 2020 77 1159-66 2017 19 1 1 18-23 2019 463 2020 14 2 2 1405-11 2014 67 1 1 127-32 Environmental Health & Safety 2003 39 2014 57 4 4 34-42 2015 2015 507890 507890 1-5 2013 3 3 3 156-9