Pohl, SteffiSteffiPohlSteiner, Peter M.Peter M.SteinerEisermann, JensJensEisermannSoellner, RenateRenateSoellnerCook, Thomas D.Thomas D.Cook2019-09-192014-09-2420091935-1062https://fis.uni-bamberg.de/handle/uniba/20395engUnbiased Causal Inference From an Observational Study: Results of a Within-Study Comparisonarticlehttp://epa.sagepub.com/content/31/4/463.full.pdf+html