Soares, A.A. Amaral, E.H. Sousa, L.A.F. de Souza, S.V.C. de Junqueira, R.G. In-house method validation and occurrence of alpha-, beta-endosulfan, endosulfan sulphate, lambda-cyhalothrin, procymidone and trifluralin residues in strawberry Subjects--Topical Terms: MORANGOPESTICIDACROMATOGRAFIA GASOSAPROPRIEDADE FISICO-QUIMICAANALISE QUIMICAAGROTOXICO