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3. Echoencephalography. III, Further Studies on the Sources of the Midline Echo and a Clinical Evaluation;Jeppsson;Acta chir. scand.,1960
4. Echoencephalography. IV. The Midline Echo; An Evaluation of its Usefulness for Diagnoing Intracranial Expansivities and an Investigation into its Sources;Jeppsson;Acta chir. scand.,1961
5. Echoencephalography. V. A method for recording the intracranial pressure with the aid of the choencephalographic technique. A preliminary report;Jeppsson;Acta chir. scand.,1964