Castellano JM, Kim J, Stewart FR, Jiang H, DeMattos RB, Patterson BW, et al
Keywords: brachial plexus injury, vitamin B12, methylcobalamin, ultrasound guidance, personalized medicine Introduction Brachial plexus injury (BPI) is a serious condition that causes upper limb function impairment and may result in life-long disability 1
Bioavailability following subcutaneous injection is estimated at approximately 80%, substantially higher than oral administration, where peptide degradation in the gastrointestinal tract limits systemic exposure
Results on a supervised 503A injectable protocol develop faster and more consistently than topical application alone
There was no blinding