title: Brown pelican: population status, reproductive success, and organochlorine residues in Louisiana, 1971-1976.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology*; D003634:DDT / Q000032:analysis; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D004528:Egg Shell / Q000032:analysis; D004732:Endrin / Q000032:analysis / Q000506:poisoning; D007306:Insecticides / Q000009:adverse effects*; D008145:Louisiana; D010573:Pesticide Residues; D011078:Polychlorinated Biphenyls / Q000032:analysis; D012098:Reproduction / Q000187:drug effects*
chemical_list: D007306:Insecticides; D010573:Pesticide Residues; D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT; D011078:Polychlorinated Biphenyls; D004026:Dieldrin; D004732:Endrin; D003632:Dichlorodiphenyldichloroethane