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Publisher
- oxford university press / usa32
- escholarship, university of california23
- american association of neurological surgeons22
- ovid technologies (wolters kluwer health)21
- american association of neurological surgeons & the journal of neurosurgical publishing group18
- journal of neurosurgery publishing group (jnspg)18
- lippincott williams & wilkins, inc16
- elsevier bv15
- elsevier inc.15