5-HT release from platelets and activation of 5-HT2B play a crucial role for development of fibrosis in systemic sclerosis. (9th March 2010) - Dees, Clara; Akhmetshina, Alfiya; Busch, Nicole; Zwerina, Jochen; Bader, Michael; Schett, Georg; Distler, Oliver; Distler, Jörg H W