Effect of intrauterine stainless steel ring on endometrial structure and function.
D001706:Biopsy; D003273:Contraceptive Devices / Q000009:adverse effects*; D004717:Endometrium / Q000473:pathology* / Q000502:physiology*; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D066298:In Vitro Techniques