# Retraction Note: The comparison of two different protocols ultra-long versus medroxyprogesterone acetate in women with ovarian endometriosis: a prospective randomized controlled trial

**Authors:** Haiyan Guo, Tong Du, Hongyuan Gao, Qianwen Xi, Ling Wu, Qifeng Lyu, Qianqian Zhu

PMC · DOI: 10.1186/s12978-025-01977-4 · Reproductive Health · 2025-03-09

## Full-text entities

- **Diseases:** ovarian endometriosis (MESH:D010049)
- **Chemicals:** medroxyprogesterone acetate (MESH:D017258)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Full text

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Source: https://tomesphere.com/paper/PMC11892218