| 普通话 | cmn-000 |
| 美国国家医学图书馆 | |
| Deutsch | deu-000 | National Library of Medicine |
| English | eng-000 | United States National Library of Medicine |
| français | fra-000 | United States National Library of Medicine |
| italiano | ita-000 | National Library of Medicine |
| فارسی | pes-000 | کتابخانه ملی پزشکی ایالات متحده آمریکا |
| polski | pol-000 | National Library of Medicine |
| português | por-000 | National Library of Medicine |
| slovenčina | slk-000 | National Library of Medicine |
| español | spa-000 | National Library of Medicine |