When giving gluteal injections, it is safest to use the upper outer quadrant. The choice of site for injection must be based on good clinical judgment, using the best evidence available and ...

Correspondence to Dr W Brinjikji, Department of Radiology, Mayo Clinic, 200 First Street SW, OL1-112 SMH, Rochester, MN 55905, USA; Brinjikji.waleed{at}mayo.edu Spinal epidural arteriovenous fistulas ...

2 Department of Clinical Epidemiology & Biostatistics, McMaster University, Hamilton, Ontario, Canada Correspondence to: Dr Harsha Shanthanna, Department of Anesthesia, McMaster University, HSC-2U1, ...