Lead poisoning in waterfowl from the Ebro Delta, Spain: Calculation of lead exposure thresholds for mallards R. GuitartJ. To-FiguerasA. Martínez-Vilalta OriginalPaper Pages: 289 - 293
Using feathers to assess risk of mercury and selenium to bald eagle reproduction in the Great Lakes region W. W. Bowerman IVE. D. EvansS. Postupalsky OriginalPaper Pages: 294 - 298
Mercury in livers of wading birds (ciconiiformes) in southern Florida S. F. SundlofM. G. SpaldingC. K. Steible OriginalPaper Pages: 299 - 305
Sublethal concentrations of mercury in river otters: Monitoring environmental contamination R. S. HalbrookJ. H. JenkinsN. D. Seabolt OriginalPaper Pages: 306 - 310
The pigeon (Columbia livia) as a monitor for manganese contamination from motor vehicles S. LorangerG. DemersJ. Zayed OriginalPaper Pages: 311 - 317
Effects of cadmium on limb regeneration in the Northwestern salamander Ambystoma gracile A. V. NebekerG. S. SchuytemaS. L. Ott OriginalPaper Pages: 318 - 322
Exclusion of the Jefferson salamander, Ambystoma jeffersonianum, from some potential breeding ponds in Pennsylvania: Effects of pH, temperature, and metals on embryonic development M. T. HorneW. A. Dunson OriginalPaper Pages: 323 - 330
Cell growth in plant cultures: An interpretation of the influence of initial weight in cadmium and copper toxicity tests M. A. ShiraziM. L. RobideauxM. C. Reporter OriginalPaper Pages: 331 - 337
Digestive lysosome enlargement induced by experimental exposure to metals (Cu, Cd, and Zn) in mussels collected from a zinc-polluted site M. EtxeberriaI. SastreI. Marigómez OriginalPaper Pages: 338 - 345
Snail (Helix aspersa) exposure history and possible adaptation to lead as reflected in shell composition M. C. NewmanM. MulveyL. Richmond OriginalPaper Pages: 346 - 351
Concentrations of heavy metals associated with urban runoff in fish living in stormwater treatment ponds K. R. Campbell OriginalPaper Pages: 352 - 356
Principal components analysis of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans in sediments from Lake Champlain and Lake George, New York, USA P. O'KeefeR. SmithR. Donnelly OriginalPaper Pages: 357 - 366
Organochlorine concentration dynamics in Lake Michigan chinook salmon (Oncorhynchus tshawytscha) M. A. Miller OriginalPaper Pages: 367 - 374
Evaluation of atrazine soil extraction methods for the determination by enzyme immunoassay and gas chromatography P. L. Del ValleJ. O. Nelson OriginalPaper Pages: 375 - 383
Substrate-mediated toxicity of deltamethrin residues to beneficial invertebrates: Estimation of toxicity factors to aid risk assessment J. A. WilesP. C. Jepson OriginalPaper Pages: 384 - 391
Acute toxicity and hazard assessment of Rodeo®, X-77 Spreader®, and Chem-Trol® to aquatic invertebrates C. J. HenryK. F. HigginsK. J. Buhl OriginalPaper Pages: 392 - 399
Characterization of cytochrome P4501A induction in medaka (Oryzias latipes) by samples generated from the extraction and processing of coal C. CohenA. StillerM. R. Miller OriginalPaper Pages: 400 - 405
Response of fresh water phytoplanktonic algae Chlorella Kessleri and Synechocystis PCC 6803 to anthelmintic activity of the wild egyptian plant Calendula micrantha officinalis O. H. E. HammoudaM. M. El-Sheekh OriginalPaper Pages: 406 - 409
A new in vitro toxicity test based on the response to toxic substances in solutions of mitochondria from beef heart M. BragadinP. Dell'Antone OriginalPaper Pages: 410 - 414
Mercury and methylmercury in population risk groups on the Atlantic coast of Southern Spain M. López-ArtíguezA. GriloM. Repetto OriginalPaper Pages: 415 - 419
The comparative metabolism of diisopropyl methylphosphonate in mink and rats D. J. WeissR. S. GearyJ. C. Dacre OriginalPaper Pages: 420 - 425
Biochemical effects of acute and subacute nitrogen dioxide exposure in rat lung and bronchoalveolar lavage fluid P. PaganiM. RomanoM. Salmona OriginalPaper Pages: 426 - 430
Mono-ortho- and non-ortho-substituted polychlorinated biphenyls in human milk from Mohawk and control women: Effects of maternal factors and previous lactation C. S. HongJ. XiaoS. A. Hwang OriginalPaper Pages: 431 - 437
