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Gupta, S., Warjri, G. & Gupta, V. ‘Ɛ’ sign: a clinical clue to the diagnosis of microspherophakia. Eye 34, 597–599 (2020). https://doi.org/10.1038/s41433-019-0544-6
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DOI: https://doi.org/10.1038/s41433-019-0544-6
