title: GSM2453414: polyA mRNA RNA-seq from G1E-ER4 (ENCLB200STD); Mus musculus; RNA-Seq
library_construction_protocol: extraction method: see document general protocol: https://www.encodeproject.org/documents/d6ec08a9-8b45-424d-aad9-55cbc02d527f/@@download/attachment/wgEncodePsuRnaSeq.html.pdf