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. 2020 Apr 13;138:e940–e954. doi: 10.1016/j.wneu.2020.04.028

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Postoperative clinical outcomes for each half of sample population, by surgeon showing the learning curve. (A) Percentage of postoperative cerebrospinal fluid leak. (B) Percentage of meningitis. (C) Percentage of postoperative new hormonal deficit. (D) Percentage of permanent diabetes insipidus. (E) Percentage of postoperative visual improvement.