miRNA normalization enables joint analysis of several datasets to increase sensitivity and to reveal novel miRNAs differentially expressed in breast cancer. - Shay Ben-Elazar; Miriam Ragle Aure; Kristin Jonsdottir; Suvi-Katri Leivonen; Vessela N. Kristensen; Emiel A. M. Janssen; Kristine Kleivi Sahlberg; Ole Christian Lingjærde; Zohar Yakhini (PLoS Comput. Biol., 2021)