title: New challenges to ecotoxicology.
mesh_terms: D001673:Biodegradation, Environmental; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003621:Daphnia; D004463:Ecology / Q000639:trends*; D007880:Legislation, Drug / Q000639:trends; D010944:Plants; D014116:Toxicology / Q000639:trends*; D014481:United States