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Risk factors for farmer's lung in greenhouse farmers from part of the rural areas in Liao Ning province

【摘要】:正The objective of this epidemiology study was to evaluate the risk factors for farmer's lung disease(FLD) in greenhouse farmers by a logistical regression model.A total of 835 plastic film greenhouses,including 5,880 active farmers who engaged in crop cultivation or poultry farming,were randomly selected from the

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