Determination of Diclofenac in Water Samples from Wastewater Treatment Plants by Large Volume Injection-Gas Chromatography–Mass SpectrometryByJosé M. Cortés,Jesús Villén,Álvaro Aragón,Ana Vázquez,Rosa M. ToledanoMarch 1st 2019A new method to analyze low concentrations of the drug diclofenac in wastewater.