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APA Citation
Li, J., Li, Y., Tian, D., Yang, H., Dong, L., & Zhu, L. (2019). the association of self-reported respiratory system diseases with farming activity among farmers of greenhouse vegetables. Journal of international medical research, 47(7), 3140–3150. http://access.bl.uk/ark:/81055/vdc_100086459702.0x000096