title: [Register-based clinical research. Internationally competitive, but the difficulties are underestimated].
authors.affiliation: Institutionen för Molekylär Medicin och Kirurgi, Karolinska Institutet, Stockholm. jesper.lagergren@ki.se
authors.forename: Jesper
authors.initials: J
authors.lastname: Lagergren
authors.forename: Pernilla
authors.initials: P
authors.lastname: Lagergen
authors.forename: Mats
authors.initials: M
authors.lastname: Lindblad
authors.forename: Rickard
authors.initials: R
authors.lastname: Ljung
authors.forename: Yunxia
authors.initials: Y
authors.lastname: Lu
authors.forename: Fredrik
authors.initials: F
authors.lastname: Mattsson
mesh_terms: D035843:Biomedical Research / Q000379:methods*; D003625:Data Collection / Q000379:methods; D038622:Internationality; D012042:Registries; D013548:Sweden