Shell thinning and pesticide residues in Texas aquatic bird eggs, 1970.
D000818:Animals; D001717:Birds; D004528:Egg Shell / Q000032:analysis*; D007306:Insecticides / Q000032:analysis; D008628:Mercury / Q000032:analysis; D010573:Pesticide Residues / Q000032:analysis*; D011078:Polychlorinated Biphenyls / Q000032:analysis; D013781:Texas
D007306:Insecticides; D010573:Pesticide Residues; D011078:Polychlorinated Biphenyls; D008628:Mercury