A polymorphic AT-repeat causes frequent allele dropout for an MME mutational hotspot exon. Issue 10 (22nd March 2022) - Høyer, Helle; Hilmarsen, Hilde T; Sunder-Plassmann, Raute; Braathen, Geir J; Andersen, Peter M; Beetz, Christian; Hacker, Sandra; Holla, Øystein L; Kurth, Ingo; Löscher, Wolfgang N; Reiter, Simone B C F; Rudnik-Schöneborn, Sabine; et al.