Reference health
Behavior and occurrence of estrogens in municipal sewage treatment plants — I. Investigations in Germany, Canada and Brazil
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1 of 14 checkable references need attention · checked 2026-07-23
At the dated check, the references listed below either did not resolve in Crossref or DataCite, or carried a retraction notice. Each one is shown with the registry record that put it there.
7 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
References needing attention
marked retracted — notice via Crossref, record curated by Retraction Watch10.1126/science.272.5267.1489
Synergistic Activation of Estrogen Receptor with Combinations of Environmental Chemicals
The 13 checked references that resolve
resolves10.1111/j.2042-7158.1989.tb06355.x
The relevance of the presence of certain synthetic steroids in the aquatic environment
resolves10.1289/ehp.96104544
A yeast estrogen screen for examining the relative exposure of cells to natural and xenoestrogens.
resolves10.1021/es9707973
Identification of Estrogenic Chemicals in STW Effluent. 1. Chemical Fractionation and in Vitro Biological Screening
resolves10.1289/ehp.95103582
A variety of environmentally persistent chemicals, including some phthalate plasticizers, are weakly estrogenic.
resolves10.1016/0166-445X(93)90064-8
Detergent components in sewage effluent are weakly oestrogenic to fish: An in vitro study using rainbow trout (Oncorhynchus mykiss) hepatocytes
resolves10.1021/es970796a
Identification of Estrogenic Chemicals in STW Effluent. 2. In Vivo Responses in Trout and Roach
resolves10.1016/0140-6736(93)90953-E
Are oestrogens involved in falling sperm counts and disorders of the male reproductive tract?
resolves10.1289/ehp.94102380
The pesticides endosulfan, toxaphene, and dieldrin have estrogenic effects on human estrogen-sensitive cells.
resolves10.1016/S0043-1354(98)00099-2
Occurrence of drugs in German sewage treatment plants and rivers
resolves10.1016/S0048-9697(98)00335-0
Behaviour and occurrence of estrogens in municipal sewage treatment plants — II. Aerobic batch experiments with activated sludge
The 7 references without a DOI — listed, not checked
no DOI — not checkedInvestigations on the problem of solubility and stability of steroid ovulation inhibitors in water, waste water and activated sludge
no DOI — not checkedRoembke J, Knacker Th, Stahlschmidt-Allner P. Studie über Umweltprobleme im Zusammenhang mit Arzneimitteln. Study about environmental problems in context with drugs. F+E Vorhabens Nr. 106 04 121, Umweltbundesamt, Berlin, 1996.
no DOI — not checkedThe E-screen assay as a tool to identify estrogens: an update on estrogenic environmental pollutants
no DOI — not checkedNachweis von natürlichen Östrogenen in Kläranlagen und Fließgewässern
no DOI — not checkedVitellogenesis as a biomarker for estrogenic contamination of the aquatic environment
no DOI — not checkedSteroid hormones as water pollutants II. Studies on the persistance and stability of natural urinary and synthetic ovulation — inhibiting hormones in untreated and treated waste waters
no DOI — not checkedSteroid hormones as water pollutants I. Metabolism of natural synthetic ovulation — inhibiting hormones by microorganisms of activated sludge primary settled sewage
What this badge says. CiteStamped means the CHECKABLE references of this
work were clean at the dated check: each resolved to a known work in a public registry, and none
carried a retraction notice at that time. It says nothing about the quality, findings,
or importance of the work itself, and nothing about references deposited without a DOI.
checked 2026-07-23 — re-checked daily as this page is visited; titles and statuses come from Crossref and DataCite and are not part of the signed record
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