title: Reduction of heavy metal toxicity to Xenophus embryos by magnesium ions.
mesh_terms: D000818:Animals; D002104:Cadmium / Q000633:toxicity; D007854:Lead / Q000633:toxicity; D008274:Magnesium / Q000494:pharmacology*; D020149:Manganese Poisoning; D008628:Mercury / Q000633:toxicity; D008670:Metals / Q000633:toxicity*; D014981:Xenopus
chemical_list: D008670:Metals; D002104:Cadmium; D007854:Lead; D008628:Mercury; D008274:Magnesium