@misc{indiciaea7ffd5048c40, title = {Estimating risk difference in multicenter studies under baseline-risk heterogeneity.}, author = {D Böhning and J Sarol}, year = {2000}, doi = {10.1111/j.0006-341x.2000.00304.x}, url = {https://pubmed.ncbi.nlm.nih.gov/10783812/}, note = {Source identifier: 10783812} }