title: The effects of DDT, DDE and their sulfonated derivatives on eggshell formation in the mallard duck.
mesh_terms: D000818:Animals; D003634:DDT / Q000031:analogs & derivatives* / Q000494:pharmacology*; D003633:Dichlorodiphenyl Dichloroethylene / Q000031:analogs & derivatives* / Q000494:pharmacology*; D004032:Diet; D004372:Ducks / Q000502:physiology*; D004528:Egg Shell; D005260:Female; D013997:Time Factors
chemical_list: D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT