Kadirogullari, Pinar, Pinar Yalcin Bahat, Busra Sahin, Ilker Gonen, and Kerem Doga Seckin. “The Effect of Pethidine Analgesia on Labor Duration and Maternal-Fetal Outcomes: Pethidine and Labor Duration”. Acta Biomedica Atenei Parmensis 92, no. 2 (May 12, 2021): e2021065. Accessed July 18, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/10905.