title: ["Tools for clinical research"--a new series of articles in Läkartidningen].
authors: Karolinska universitetssjukhuset, Solna. karin.ekstrom.smedby@ki.se
authors: Karin Ekström
authors: KE
authors: Smedby
authors: Ylva Trolle
authors: YT
authors: Lagerros
mesh_terms: D035843:Biomedical Research / Q000379:methods*; D012107:Research Design; D013548:Sweden