Repeat injection after a "failed spinal": at times, a potentially unsafe practice.
Drasner
K
K
Rigler
M L
ML
D000775:Anesthesia, Spinal / Q000379:methods*; D000779:Anesthetics, Local / Q000008:administration & dosage* / Q000009:adverse effects; D006801:Humans
D000779:Anesthetics, Local