@misc{indiciaeb09625539510, title = {Differentiation-dependent human immunodeficiency virus long terminal repeat regulatory elements active in human teratocarcinoma cells.}, author = {S L Zeichner and G Hirka and P W Andrews and J C Alwine}, year = {1992}, doi = {10.1128/jvi.66.4.2268-2273.1992}, url = {https://pubmed.ncbi.nlm.nih.gov/1548760/}, note = {Source identifier: 1548760} }