Fig. 1

Content of lead in organs following 6 weeks exposure of PbO-NPs. a, b Concentration of lead in organs following six weeks exposure. c, d Lead content (uptake) in organs following six weeks exposure
Content of lead in organs following 6 weeks exposure of PbO-NPs. a, b Concentration of lead in organs following six weeks exposure. c, d Lead content (uptake) in organs following six weeks exposure