Part of book/report Pharmaceutical residues in Northern European environment: consequences and perspectives. Kallenborn, R.; Fick, J.; Lindberg, R.; Moe, M.; Nielsen, K.M.; Tysklind, M.; Vasskog, T. Publication details Book: Pharmaceuticals in the environment., 61–74, 2008 DOI: 10.1007/978-3-540-74664-5_5