| http://www.w3.org/ns/prov#value | - ???Where and over what time period were those studies done that show that levels of heavy metals in human blood samples decline???? around world. ???Plenty of studies look at concentrations of heavy metals, e.g. in hair samples and umbilical cord blood in affected areas in Asia and Africa, i.e. around sites where e-waste is deposited or processed, and their results are alarming. ??? really and its
|
