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Lua i Stíl Chicago (17ú heag.)Schaeffer, Albert Julius. De Morbis Corneae: Quam Consensu Illustrissimi Medicorum Ordinis in Celeberrima Academia Fridericiana Halensi Et Vitebergensi Consociata Pro Summis in Medicina Et Chirurgia. Halae: Typis Schimmelpfennigianis, 1822.
Lua MLA (8ú heag.)Schaeffer, Albert Julius. De Morbis Corneae: Quam Consensu Illustrissimi Medicorum Ordinis in Celeberrima Academia Fridericiana Halensi Et Vitebergensi Consociata Pro Summis in Medicina Et Chirurgia. Typis Schimmelpfennigianis, 1822.
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