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Jordana Cepelewicz (2020-02-12). "New Clues About ‘Ambigram’ Viruses With Strange Reversible Genes". Quanta Magazine. Archived from the original on 2021-11-17. Retrieved on 17 November 2021. |
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What is it called when a word is flipped but remains unchanged or mutates to reveal another meaning?. Wikipedia on Twitter (2022-11-18). Archived from the original on 2022-11-20. Retrieved on 2021-11-20. |