| pubmed-article:7377637 | pubmed:abstractText | Immunoglobulin levels were compared in smoking and non-smoking grain handlers and teachers. Mean IgC and IgM levels were significantly lower, and IgE levels were significantly higher, in the smokers than in the non-smokers. IgA levels were also lower but with the numbers studied not significantly so. IgD levels were unchanged. | lld:pubmed |
