Viruses The Invisible Enemy / Crawford.
| Author/creator | Crawford |
| Other author | Crawford, Dorothy H. |
| Other author | Oxford University Press. |
| Format | Electronic |
| Publication Info | [S.l.] : Oxford University Press, |
| Supplemental Content | Full text available from Oxford Scholarship Online |
| General note | Title from content provider. |
| Access restriction | Available only to authorized users. |
| Technical details | Mode of access: World Wide Web |
| Genre/form | Electronic books. |
| ISBN | 9780192845030 |
| ISBN | 0192845039 |