By Madsen Christian   Nafstad Per   in European Journal of Epidemiology

ISSN:0393-2990|21|7|485-491

Springer Publishing Company ‎(2006)‎

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By Bakken Heidi Nygaard   Nafstad Per   Bolle Roald   Nystad Wenche   in Journal of Asthma

ISSN:0277-0903|44|1|23-27

Informa Healthcare‎(2007)‎

Access to resources Favorite 10.332075

By Nystad Wenche   Nafstad Per   Jaakkola Jouni J. K.   in Scandinavian Journal of Public Health

ISSN:1403-4948|30|1|70-75

Informa Healthcare‎(2002)‎

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By Furu Kari   Skurtveit Svetlana   Langhammer Arnulf   Nafstad Per   in European Journal of Clinical Pharmacology

ISSN:0031-6970|63|7|693-698

Springer Publishing Company ‎(2007)‎

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By Bentdal Yngvild E.   Nafstad Per   Karevold Gunnhild   Kvaerner Kari J.   in Acta Oto-Laryngologica

ISSN:0001-6489|127|5|480-485

Informa Healthcare‎(2007)‎

Access to resources Favorite 9.302019

By Nafstad Per   Nystad Wenche   Magnus Per   Jaakkola Jouni J. K.   in Journal of Asthma

ISSN:0277-0903|40|4|343-348

Informa Healthcare‎(2003)‎

Access to resources Favorite 9.302019

By Madsen Christian   Nafstad Per   Eikvar Lars   Schwarze Per   Rønningen Kjersti   Haaheim Lise   in European Journal of Epidemiology

ISSN:0393-2990|22|5|311-317

Springer Publishing Company ‎(2007)‎

Access to resources Favorite 8.265659

By Karevold Gunnhild   Haapkylä Johanna   Pitkäranta Anne   Nafstad Per   Kvaerner Kari Jorunn   in Acta Oto-Laryngologica

ISSN:0001-6489|127|1|29-33

Informa Healthcare‎(2007)‎

Access to resources Favorite 8.265659