The prevalence of respiratory symptoms and asthma among school children in three different areas of Norway
Wenche Nystad, Per Magnus, Ola Røksund, Bjørn Svidal, Øystein HetlevikVolume:
8
Year:
1997
Language:
english
Pages:
6
DOI:
10.1111/j.1399-3038.1997.tb00140.x
File:
PDF, 536 KB
english, 1997