Rivers / Fish Diseases / Multidisciplinary / Portugal / Heavy metals / Humans / Heavy Metal Pollution / Animals / Heavy Metal / Host-parasite interactions / European eel / Seafood / Anguilla anguilla / Nematoda / Cestoda / Trace element / Anguilla / Humans / Heavy Metal Pollution / Animals / Heavy Metal / Host-parasite interactions / European eel / Seafood / Anguilla anguilla / Nematoda / Cestoda / Trace element / Anguilla
Seasonality / Oscillations / Rare Earth Element Mineralization / Upper Continental Crust / Trace element / Chemical Composition / High Altitude / Chemical Composition / High Altitude
Geology / Geochemistry / Southern Africa / Chemical Geology / Rare Earth Element Mineralization / Carbon Isotope / Trace element / Residence Time / Carbon Isotope / Trace element / Residence Time