Comment on

• Patient validation of retrospective data.

  Babu R, Sampson JH. Babu R, et al. J Neurosurg. 2015 Oct;123(4):969-70. doi: 10.3171/2015.3.JNS142959. Epub 2015 Aug 7. J Neurosurg. 2015. PMID: 26252462 No abstract available.
• Morbidity after intracranial tumor surgery: sensitivity and specificity of retrospective review of medical records compared with patient-reported outcomes at 30 days.

  Drewes C, Sagberg LM, Jakola AS, Gulati S, Solheim O. Drewes C, et al. J Neurosurg. 2015 Oct;123(4):972-7. doi: 10.3171/2014.12.JNS142206. Epub 2015 Aug 7. J Neurosurg. 2015. PMID: 26252464