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Nitric oxide (NO) is an important biological mediator with a variety of cellular and tissue functions. Fractional exhaled (FE(NO)) and nasal NO (FN(NO)) are known to be altered in several respiratory tract disease and disorders. However, there are rather few studies into the reproducibility of FE(NO) or FN(NO) measurements in healthy subjects. The aim of(More)
BACKGROUND Polyvinyl chloride (PVC) materials have been linked to asthma in several epidemiologic studies, but the possible causal factors remain unknown. PARTICIPANTS We challenged 10 subjects experimentally to degraded PVC products under controlled conditions. All of the subjects had previously experienced respiratory symptoms suspected to be caused by(More)
Several studies have shown an association between exposure in moisture-damaged buildings and adverse health effects. There are several indicator microbes of moisture damage, but Aspergillus fumigatus is one of the best-documented molds provoking health problems in different occupational conditions. We assessed whether inhalation of a commercial A. fumigatus(More)
Several studies have previously shown that exposure to indoor air microbes from moisture-damaged buildings can cause adverse health effects. Aspergillus fumigatus is one of the best-documented moulds causing health problems to those exposed. In this study, inhalation of a commercial A. fumigatus solution was assessed, to establish if it would have effects(More)
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