@misc{indiciae47a79d4cd039, title = {Characteristics of HeLa strains: permanent vs. variable features.}, author = {W A Nelson-Rees and L Hunter and G J Darlington and S J O'Brien}, year = {1980}, doi = {10.1159/000131490}, url = {https://pubmed.ncbi.nlm.nih.gov/7002488/}, note = {Source identifier: 7002488} }