A comparison of risk difference estimators in multi-center studies under baseline-risk heterogeneity. - Chukiat Viwatwongkasem; Walailuck Böhning (Comput. Stat. Data Anal., 2003)

Evaluation of a new version of I2 with emphasis on diagnostic problems. - Heinz Holling; Walailuck Böhning; Ehsan Masoudi; Dankmar Böhning; Patarawan Sangnawakij (Commun. Stat. Simul. Comput., 2020)