Little in Norway: a prospective longitudinal community-based cohort from pregnancy to child age 18 months.
Vibeke MoeEivor FredriksenMarian KjellevoldLisbeth DahlMaria Wik MarkhusKjell Morten StormarkTilmann von SoestKåre Sten OlafsenUnni Tranaas VanneboLars SmithPublished in: BMJ open (2019)
ISRCTN66710572.