@article{202106.0121, doi = {10.20944/preprints202106.0121.v1}, url = {https://doi.org/10.20944/preprints202106.0121.v1}, year = 2021, month = {June}, publisher = {Preprints}, author = {Antonio Ramón Romeu and Enric Ollé}, title = {SARS-CoV-2 Origin: An Affair of Codons?}, journal = {Preprints} }