1. Environmental Toxicology, Department of Physiology and Developmental Biology, Evolutionary Biology Centre, Uppsala University, Norbyvägen 18A, SE-752 36, Sweden, and Contaminant Research Group, Swedish Museum of Natural History, P.O. Box 50007, SE-104 05 Stockholm, Sweden, Environmental Chemistry and Research Group for Chemometrics, Department of Chemistry, Umeå University, SE-901 87 Umeå, Sweden, InfiDyne AB, Murargatan 30A, SE-754 37 Uppsala, Sweden, and Institute of Applied Environmental Research,...