[When will the lean years end? Keratoplasty in Germany].
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D016039:Corneal Transplantation / Q000331:legislation & jurisprudence* / Q000706:statistics & numerical data; D005858:Germany; D006801:Humans; D007258:Informed Consent / Q000331:legislation & jurisprudence*; D014019:Tissue Donors / Q000331:legislation & jurisprudence / Q000600:supply & distribution; D009927:Tissue and Organ Procurement / Q000331:legislation & jurisprudence* / Q000706:statistics & numerical data