作者: G. Machnik , K.-H. Chemnitius , H. Niekrenz
DOI: 10.1016/S0232-1513(83)80031-0
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摘要: Summary Long-term ingestion of 5 mg/kg body weight ethinylestradiol per esophageal tube induces preneoplasms in the liver Albino-Wistar-rats. The hepatocellular proliferations could be observed after a test period 19.5 to 24.5 months. There was no sex difference.