“… Forest plot of investigated subgroups: (c) naturally originated material of nanoparticulate systems versus (d) synthetically originated material of nanoparticulate system for the studies: [ 1 , 2 , 3 , 5 , 6 , 7 , 8 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 19 ], (OpenMetaAnalyst). …”