title: GSM2308420: polyA mRNA RNA-seq from HeLa-S3 (ENCLB555ASJ); Homo sapiens; RNA-Seq
library_construction_protocol: extraction method: see document general protocol: https://www.encodeproject.org/documents/aaad5383-6b11-46a8-9a5b-2852e1475842/@@download/attachment/LID16634.pdf
attributes.tag: GEO Accession
attributes.value: GSM2308420