By Silvola Juha T.   Saarnivaara Laila   in American Journal of Rhinology

ISSN:1539-6290|9|5|273-276

OceanSide Publications, Inc‎(1995)‎

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By Ginström Robert   Silvola Juha   Saarnivaara Laila   in Acta Oto-Laryngologica

ISSN:0001-6489|125|9|972-975

Informa Healthcare‎(2005)‎

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