Kocaman, U. .; Yilmaz, H. . The Effect of Long-Term Subgaleal Drain Retention (for 14 Days) in Preventing Cerebro-Spinal Fluid (CSF) Fistula Development in Cases With an Insufficiently Closed Dural Defect After Craniotomy or Craniectomy. roneuro 2021, 35, 98-102.