At low Cd exposure levels, U-Cd and age are associated through nonlinear and nonmonotonic relationships that appear to be driven mainly by recent Cd intake and physiological variations in the excretion of creatinine and proteins.
At low Cd exposure levels, U-Cd and age are associated through nonlinear andnonmonotonic relationships that appear to be driven mainly by recent Cd intake and physiologicalvariations in the excretion of creatinine and proteins.