Original Research

The Risk of Selection Bias in a Clinical Multi-Center Cohort Study. Results from the Norwegian Cognitive Impairment After Stroke (Nor-COAST) Study

Kuvås KR, Saltvedt I, Aam S, Thingstad P, Ellekjær H, Askim T

Clinical Epidemiology 2020, 12:1327-1336

Published Date: 1 December 2020