The comparative safety of antiseizure medication polytherapy versus valproate in pregnancy and risk of major congenital malformations
Cohen, Jacqueline M.; Alvestad, Silje; Suarez, Elizabeth A.; Schaffer, Andrea; Selmer, Randi; Havard, Alys; Bateman, Brian T.; Zoega, Helga; Kieler, Helle; Odsbu, Ingvild; Huybrechts, Krista F.; Kjerpeseth, Lars J.; Straub, Loreen; Leinonen, Maarit K.; Bjork, Marte-Helene; Norgaard, Mette; Gissler, Mika; Ulrichsen, Sinna P.; Hernandez-Diaz, Sonia; Tomson, Torbjorn; Furu, Kari (2021)