Dirk Alexander Wittekind, Markus Scholz, Jürgen Kratzsch, Markus Löffler, Katrin Horn, Holger Kirsten, Veronica Witte, Arno Villringer, und Michael Kluge. Genome-wide association and transcriptome analysis suggests total serum ghrelin to be linked with GFRAL. Eur. J. Endocrinol., (184)6:847--856, Bioscientifica, Juni 2021.