Karusheva, Yanislava ; Kunstein, Lejla ; Bierwagen, Alessandra ; Nowotny, Bettina ; Kabisch, Stefan ; Groener, Jan B. ; Fleitmann, Ann Kristin ; Herder, Christian ; Pacini, Giovanni ; Strassburger, Klaus ; Häring, Hans-Ulrich ; Nawroth, Peter P. ; Pfeiffer, Andreas F. H. ; Burkart, Volker ; Müssig, Karsten ; Roden, Michael ; Szendroedi, Julia (2018) An 8-week diet high in cereal fiber and coffee but free of red meat does not improve beta-cell function in patients with type 2 diabetes mellitus: a randomized controlled trial. Nutrition & Metabolism, 15 (90). pp. 1-8. ISSN 1743-7075