| indoor factors and their association to respiratory symptoms suggestive of asthma in austrian children aged 6-9 years. | the isaac (international study of asthma and allergy in childhood) was founded in 1990 in order to maximise the value of epidemiological research into asthma and allergic diseases, to describe the prevalence of asthma and allergic disease in children living in different locations, to make comparisons within and between countries, to provide a framework for further etiological research and to find prevention strategies. we analysed a sub-sample of a population-based study (1995 to 1997) in upper ... | 1999 | 10599150 |