title: Effects of dietary mercury and lead on eggshell thickness in mallards.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D001842:Bone and Bones / Q000737:chemistry; D002849:Chromatography, Gas; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis / Q000494:pharmacology; D004032:Diet; D004372:Ducks / Q000502:physiology*; D004528:Egg Shell / Q000737:chemistry / Q000187:drug effects*; D005260:Female; D007854:Lead / Q000032:analysis / Q000494:pharmacology*; D008628:Mercury / Q000032:analysis / Q000494:pharmacology*; D013997:Time Factors
chemical_list: D007854:Lead; D003633:Dichlorodiphenyl Dichloroethylene; D008628:Mercury