Canadian Neighbor Pharmacy: Results of a-Antitrypsin and Neutrophil Elastase Imbalance and Lung Cancer Risk
Control subjects were 2 years older than case patients, on average, but had a similar gender ratio and ethnic background (Table 2). Compared to case patients, control subjects were less likely to be cigarette smokers, to have a history of COPD or environmental tobacco smoke exposure, or to have a positive family history of lung […]