@book{UBHD-67925073, author={Genser, Bernd and Fischer, Joachim E.}, title={Within- and between-group regression for improving the robustness of causal claims in cross-sectional analysis}, publisher={BioMed Central}, address={London}, year={2015}, pages={1 Online-Ressource}, language={eng}, note={Aus: Environmental health, 14 (2015), Nr. 60. pp. 1-10. ISSN 1476-069X}, url={http://www.ub.uni-heidelberg.de/archiv/19377}, library={UB}, }