Eggshell thinning and DDE.
D000818:Animals; D001717:Birds; D003633:Dichlorodiphenyl Dichloroethylene / Q000009:adverse effects; D004531:Eggs; D005260:Female; D007306:Insecticides / Q000009:adverse effects*
D007306:Insecticides; D003633:Dichlorodiphenyl Dichloroethylene