Thesis--Helsinki. / Includes bibliographical references (p. 42-52).
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/636193782 |
| Date | January 1977 |
| Creators | Turtola, Lauri. |
| Publisher | Helsinki ; Kuopio : Institute of Dentistry, University of Helsinki : Finnish Student Health Service and the Department of Dentistry, University of Kuopio, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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