1)- H Cammu, E Martens, G Van Maele. Using the Robson Classification to Explain the Fluctuations in Cesarean Section.Journal of pregnancy. 2020, 2020: 2793296
2)- Elena Timokhina, Alexander Strizhakov, Sapiyat Ibragimova, Evgeny Gitel, Irina Ignatko, Vera Belousova, Nikoleta Zafiridi. Matrix Metalloproteinases MMP-2 and MMP-9 Occupy a New Role in Severe Preeclampsia.Journal of pregnancy. 2020, 2020: 8369645
3)- Ayalneh Demissie, Alemayehu Worku, Yemane Berhane. Effect of Implementing a Free Delivery Service Policy on Women's Utilization of Facility-Based Delivery in Central Ethiopia: An Interrupted Time Series Analysis.Journal of pregnancy. 2020, 2020: 8649598