title: A new dawn for longitudinal studies.
authors.forename: M R
authors.initials: MR
authors.lastname: Järvelin
mesh_terms: D005060:Europe / Q000453:epidemiology; D006304:Health Status; D006801:Humans; D008137:Longitudinal Studies; D009017:Morbidity; D012107:Research Design; D012537:Scandinavian and Nordic Countries / Q000453:epidemiology