| Journal Title | Source | Full-Text Begins | Full-Text Ends |
|---|---|---|---|
| PLoS Biology | Ebsco Academic Search Premier | 10/1/2003 | |
| PLoS Biology | Infotrac Academic Onefile | 5/1/2006 | |
| PLoS Biology | Independent Publication (Free) | 10/13/2003 | |
| PLoS Biology | Independent Publication (Free) | 10/13/2003 |

