Colloid disease in the macula region : analogous in appearance to the so-called drusen in the nerve-head / by G. E. de Schweinitz.
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Colloid disease in the macula region : analogous in appearance to the so-called drusen in the nerve-head / by G. E. de Schweinitz. Credit: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London). Public Domain Mark