Cesarean section trends in the Nordic Countries - a comparative analysis with the Robson classification
Pyykonen, Aura; Gissler, Mika; Lokkegaard, Ellen; Bergholt, Thomas; Rasmussen, Steen C.; Smarason, Alexander; Bjarnadottir, Ragnheiour I.; Masdottir, Birna B.; Kallen, Karin; Klungsoyr, Kari; Albrechtsen, Susanne; Skjeldestad, Finn E.; Tapper, Anna-Maija (2017)