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Absolute number of penetrating, anterior and posterior lamellar keratoplasties in Germany from 2011 to 2021. Absolute number of penetrating keratoplasties (blue), deep anterior lamellar keratoplasties (red) and posterior lamellar keratoplasties (green) in Germany from 2011 to 2021. The x-axis shows year; y-axis, absolute number of keratoplasties.
