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Start Over Formats Still image ✖Remove constraint Formats: Still image Subjects Brain -- surgery ✖Remove constraint Subjects: Brain -- surgery Subjects Operating Rooms ✖Remove constraint Subjects: Operating Rooms Subjects Electrodes ✖Remove constraint Subjects: Electrodes Authors Lesser, May H., 1927-2001, artist ✖Remove constraint Authors: Lesser, May H., 1927-2001, artist Titles Calibrations ✖Remove constraint Titles: Calibrations Dates by Range 1950-1999 ✖Remove constraint Dates by Range: 1950-1999

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