By Anttila M.   Eskola J.   &   9hman H.   Kayhty H.   in Vaccine

ISSN:0264-410X|17|15|1970-1977

Elsevier‎(1999)‎

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By Korkeila M.   Lehtonen H.   &   9hman H.   Leroy O.   Eskola J.   Kayhty H.   in Vaccine

ISSN:0264-410X|18|13|1218-1226

Elsevier‎(2000)‎

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