Critical review on the stability of illicit drugs in sewers and wastewater samples /Ann-Kathrin McCall a , Richard Bade b , Juliet Kinyua c , Foon Yin Lai d , Phong K. Thai d, e , Adrian Covaci c , Lubertus Bijlsma b , Alexander L.N. van Nuijs c , Christoph Ort a, * a Eawag, Swiss Federal Institute of Aquatic Science and Technology, CH 8600 Dübendorf, Switzerland - McCall,Ann-Kathrin