By Ruoppi Pirkko   Vornanen Martine   Nuutinen Juhani   in Acta Oto-Laryngologica

ISSN:0001-6489|124|3|324-327

Informa Healthcare‎(2004)‎

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By Ruoppi Pirkko   Dietz Aarno   Nikanne Elina   Seppä Juha   Markkanen Hannu   Nuutinen Juhani   in Acta Oto-Laryngologica

ISSN:0001-6489|121|8|948-952

Informa Healthcare‎(2001)‎

Access to resources Favorite 9.666378

By Koistinen Tiina   Ruoppi Pirkko   Putus Tuula   Pennanen Sirpa   Harju Anu   Nuutinen Juhani   in International Archives of Occupational and Environmental Health

ISSN:0340-0131|79|7|602-606

Springer Publishing Company ‎(2006)‎

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By Kemppainen Tatu   Ruoppi Pirkko   Seppä Juha   Sahlman Johanna   Peltonen Markku   Tukiainen Hannu   Gylling Helena   Vanninen Esko   Tuomilehto Henri   in American Journal of Rhinology

ISSN:1539-6290|22|4|410-415

OceanSide Publications, Inc‎(2008)‎

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