Guest guest Posted December 30, 2004 Report Share Posted December 30, 2004 _Occupational Respiratory Disease Surveillance - Featured Discussion - NIOSH Topic Page_ (http://www.cdc.gov/niosh/topics/surveillance/ORDS/FeaturedDiscussion/ORDS-Featu\ redDiscussion.html) NCHS National Health Interview Survey data * Based on the NHIS data, elementary and secondary schools and colleges was the one current industry sector having a clearly elevated asthma prevalence among nonsmokers (10.8% vs. 8.4% for all industries). Quote Link to comment Share on other sites More sharing options...
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