Maximillian S Westphal 1, Eunjee Lee 1 2, Eric E Schadt 1 2, Giselle S Sholler 3 4, Jun Zhu, Identification of Let-7 miRNA Activity as a Prognostic Biomarker of SHH Medulloblastoma,  Cancers (Basel). 2021 Dec 28;14(1):139.  doi: 10.3390/cancers14010139.