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| arXiv | A preprint server for physics, quantitative biology, statistics, mathematics and other similar fields |
| bioRxiv | A preprint server for the life sciences |
| ChemRxiv | A preprint server for chemistry |
| PeerJ Preprints | A preprint server for the biological, medical and environmental sciences |
| PsyArXiv | A preprint server for the psychological sciences |
| PaleorXiv | A preprint server for paleontology |
