Cite
MLA Citation
L Preller et al.. “Lung function and chronic respiratory symptoms of pig farmers: focus on exposure to endotoxins and ammonia and use of disinfectants..” Occupational and environmental medicine, vol. 52, no. 10, 1995, pp. 654–660. http://access.bl.uk/ark:/81055/vdc_100137789187.0x000015