The Nordic medical birth registers - a potential goldmine for clinical research
Langhoff-Roos, Jens; Krebs, Lone; Klungsoyr, Kari; Bjarnadottir, Ragnheidur I.; Kallen, Karin; Tapper, Anna-Maija; Jakobsson, Maija; Bordahl, Per E.; Lindqvist, Pelle G.; Gottvall, Karin; Colmorn, Lotte Berdiin; Gissler, Mika (2014-02-06)