Attrition and generalizability in longitudinal studies: findings from a 15-year population-based study and a Monte Carlo simulation study
Kristin Gustavson, Tilmann von Soest, Evalill Karevold, Espen RøysambТом:
12
Мова:
english
DOI:
10.1186/1471-2458-12-918
Date:
December, 2012
Файл:
PDF, 246 KB
english, 2012