Palma, P Effects of atrazine and endosulfan sulphate on the ecdysteroid system of Daphnia magna. [electronic resource] - Chemosphere Feb 2009 - 676-81 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1879-1298 Standard No.: 10.1016/j.chemosphere.2008.10.021 doi Subjects--Topical Terms: AnimalsAtrazine--toxicityDaphnia--drug effectsEcdysteroids--metabolismEcdysterone--pharmacologyEmbryo, Nonmammalian--drug effectsEndosulfan--toxicityHerbicides--toxicityMolting