Effects of cigarette smoking on the serum concentration of lung surfactant protein A (SP-A).


We have tested the hypothesis that serum surfactant protein A (SP-A) production may be affected by cigarette smoke exposure, and that alterations in serum levels may reflect smoking habits. A total of 52 subjects were divided into the following two groups: active smokers (Group A; n = 23); and nonsmokers (Group B; n = 29). The assessment of smoking habit… (More)


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