Carmel, P W 100 years ago in neurosurgery: description of the intracranial extradural approach to the Gasserian ganglion--the Hartley-Krause operation. [electronic resource] - Neurosurgery May 1993 - 828-32; discussion 832-3 p. digital Publication Type: Biography; Historical Article; Journal Article; Portrait ISSN: 0148-396X Standard No.: 10.1227/00006123-199305000-00017 doi Subjects--Topical Terms: GermanyHistory, 19th CenturyHumansNeurosurgery--historyTrigeminal Ganglion--surgeryUnited States