AUTHOR=Stier Marco TITLE=The biopsychosocial model between biologism and arbitrariness. A Commentary to H. Helmchen JOURNAL=Frontiers in Psychology VOLUME=5 YEAR=2014 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2014.00126 DOI=10.3389/fpsyg.2014.00126 ISSN=1664-1078