Campos-Mañas, M. C., Van Wichelen, N., Covaci, A., van Nuijs, A. L. N., Ort, C., Béen, F., … Bijlsma, L. (2022). Analytical investigation of cannabis biomarkers in raw urban wastewater to refine consumption estimates. Water Research, 223, 119020 (8 pp.). https://doi.org/10.1016/j.watres.2022.119020