Kriss, Timothy C.; Kriss, Vesna Martich (abril de 1998). "History of the Operating Microscope: From Magnifying Glass to Micro neurosurgery". Neurosurgery42 (4): 899–907. PMID9574655. doi:10.1097/00006123-199804000-00116.
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ncbi.nlm.nih.gov
Kriss, Timothy C.; Kriss, Vesna Martich (abril de 1998). "History of the Operating Microscope: From Magnifying Glass to Micro neurosurgery". Neurosurgery42 (4): 899–907. PMID9574655. doi:10.1097/00006123-199804000-00116.