Fig. 3From: Exposure profile of mercury, lead, cadmium, arsenic, antimony, copper, selenium and zinc in maternal blood, cord blood and placenta: the Tohoku Study of Child Development in JapanBox-plot and table showing cord blood to maternal blood ratios of toxic and trace elements in the study population. a Cord blood to maternal blood ratios of Cu, Zn, Se, Pb, THg and MeHg were small variation and those of IHg, As, Cd and Sb elements were large variation. b Table shows cord blood to maternal blood ratios of each elementBack to article page