Robuta

https://www.cochrane.org/de/evidence/CD006971_intracervical-prostaglandins-induction-labour

https://www.cochrane.org/zh-hans/evidence/CD006971_intracervical-prostaglandins-induction-labour

https://www.cochrane.org/zh-hant/evidence/CD003399_homoeopathy-induction-labour