| blood lead levels, δ-alad inhibition, and hemoglobin content in blood of giant toad (rhinella marina) to assess lead exposure in three areas surrounding an industrial complex in coatzacoalcos, veracruz, mexico. | the coatzacoalcos region in veracruz, mexico houses one of the most important industrial complexes in mexico and latin america. lead is an ubiquitous environmental pollutant which represents a great risk to human health and ecosystems. amphibian populations have been recognized as biomonitors of changes in environmental conditions. the purpose of this research is to measure exposure to lead and evaluate hematological and biochemical effects in specimens of giant toads (rhinella marina) taken fro ... | 2013 | 22580791 |