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17. Albrecht von Graefe (geb. 1828) zum 100. Todestag am 20.7. 1970. Mann G Medizinhist J; 1970; 5():81-4. PubMed ID: 11609584 [No Abstract] [Full Text] [Related]
18. Leeuwenhoek's Sehversuch am zusammengesetzten Auge und die entsprechende Beobachtung Boll's an der Stäbchenschicht der Netzhaut. Belloni L Janus; 1980; 67(1-2-3):59-61. PubMed ID: 11610762 [No Abstract] [Full Text] [Related]