Bier properly deserves credit for the introduction of spinal anesthesia into the clinical practice of medicine .
It was Corning who created the experimental conditions that ultimately led to the development of both spinal and epidural anesthesia .
Although Bier properly deserves credit for the introduction of spinal anesthesia into the clinical practice of medicine , it was Corning who created the experimental conditions that ultimately led to the development of both spinal and epidural anesthesia .