Summary
Two cultures of cells designated HEL-R66, presumably of human origin, revealed monkey instead of human cell characteristics, including chromosomes, isoenzyme mobility pattern and species-specific cell membrane antigen.
References
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Nelson-Rees, W.A., Daniels, D.W. & Flandermeyer, R.R. Human embryonic lung cells (HEL-R66) are of monkey origin. Archives of Virology 67, 101–104 (1981). https://doi.org/10.1007/BF01314608
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DOI: https://doi.org/10.1007/BF01314608