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JAMA. 1931;97(21):1551-1552. doi:10.1001/jama.1931.02730210049020.
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Brain Surgery  At the International Neurologic Congress held in Berne in September, under the chairmanship of Professor Nonne of Hamburg, the chief topic on the program was "Methods for the Diagnosis and for Surgical and Other Forms of Treatment in Brain Tumors." In the papers presented by eminent specialists from many different countries, the various diagnostic methods were successively explained, including the clinical symptomatology (Sir Purves-Stewart, London); the microscopic diagnosis; the roentgenologic diagnosis (Professor Schüller, Vienna; Professor Stenvers, Utrecht); roentgen diagnosis after encephalography (Professor Forster; Dr. Guttmann, Breslau, and Grant, Philadelphia); diagnosis from the lumbar fluid (Professor Kafka, Hamburg). The papers gave a complete survey of the present status of neurology, which has made rapid progress during the past decade, especially through the perfection of physicotechnical methods. Of course the therapeutic results depend to a great extent on the accuracy of the diagnosis. That is particularly true with respect to


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