title: The relevance of the presence of certain synthetic steroids in the aquatic environment.
abstract: Norethisterone and ethinyloestradiol concentrations in sewage effluent, reservoirs, rivers and potable water have been estimated at less than 20 ng L-1, a value unlikely to present a significant risk to human health.
authors.affiliation: Department of Biochemistry, University of Surrey, Guildford, UK.
authors.forename: G W
authors.initials: GW
authors.lastname: Aherne
authors.forename: R
authors.initials: R
authors.lastname: Briggs
mesh_terms: D004997:Ethinyl Estradiol / Q000032:analysis; D012722:Sewage / Q000032:analysis; D013256:Steroids / Q000032:analysis*; D014873:Water Pollutants / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D012722:Sewage; D013256:Steroids; D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D004997:Ethinyl Estradiol