Prevalence, clinical profile, maternal and perinatal outcomes of pregnancies complicated with obstructed labor at a teaching hospital in Tigray, Ethiopia: A five-year retrospective cross-sectional study - Hale Teka; Mussie Alemayehu; Awol Yemane; Marta Abrha; Tsega Gebremariam; Ephrem Berhe; Bisrat Tesfay Abera; Ashenafi Tekle; Habtom Tadesse; Hiluf Ebuy Abraha; Yibrah Berhe (PLoS ONE, 2025)