Hinsermu Bayu Abdi, Elias Bekele Wakwaya, Beyene Sisay Damtew, Beker Ahmed Hussen, Teresa Kisi Beyen. "Maternal complication of instrumental vaginal delivery and its associated factors: Systematic review and meta-analysis." PLoS ONE (2025). https://doi.org/10.1371/journal.pone.0320003