Decrease in eggshell weight in certain birds of prey.
D000818:Animals; D001717:Birds; D002119:Calcium Carbonate / Q000032:analysis; D003634:DDT; D004531:Eggs; D005506:Food Contamination; D007306:Insecticides; D009929:Organ Size; D006113:United Kingdom
D007306:Insecticides; D003634:DDT; D002119:Calcium Carbonate