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APA Citation
Liu, H., Yuan, J., Tian, Z., Li, X., Song, L., & Li, B. (2019). what are the characteristics and progression of visual field defects in patients with Leber hereditary optic neuropathy: a prospective single-centre study in China. BMJ open, 9(3), . http://access.bl.uk/ark:/81055/vdc_100135175140.0x000007