Thesis (doctoral)--University of Helsinki, 1998.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/609845370 |
| Date | January 1900 |
| Creators | Laitinen, Kirsi. |
| Publisher | Helsinki, Finland : National Public Health Institute and Dept. of General Microbiology, University of Helsinki, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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