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Luftvägssjukdomar - enkät från år 2000
The prevalence of various respiratory diseases are increasing in Scandinavia and also in other parts of the world. In this study, an extensive questionnaire on issues related to... -
Luftvägssjukdomar - enkät från år 1992
The prevalence of various respiratory diseases are increasing in Scandinavia and also in other parts of the world. In this study, an extensive questionnaire on issues related to...
