Schoolboys in urban industrial environments: are they at increased risk of bronchial asthma?

Abstract

The objective of this cross-sectional study was to compare the prevalence of bronchial asthma among Saudi schoolboys in Yanbu Industrial City and in two non-industrial villages. In 1993, questionnaires were distributed to 375 schoolboys for completion by their parents. The prevalence of questionnaire-diagnosed asthma in Yanbu Industrial City, and in the… (More)

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@article{alShairi1999SchoolboysIU, title={Schoolboys in urban industrial environments: are they at increased risk of bronchial asthma?}, author={A al-Shairi and Kasim M. Al-Dawood}, journal={Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit}, year={1999}, volume={5 4}, pages={657-63} }