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APA Citation
Fernández Pérez, J., Valero Marcos, A., & Martínez Peña, F. J. (2014). early diagnosis of keratoconus: what difference is it making?. British journal of ophthalmology, 98(11), 1465–1466. http://access.bl.uk/ark:/81055/vdc_100135155819.0x00004a