TY - RPRT TI - Four-injection brachial plexus block using peripheral nerve stimulator: a comparison between axillary and humeral approaches. AU - Salvatore Sia AU - Antonella Lepri AU - Maria Consolata Campolo AU - Rossana Fiaschi PY - 2002 DO - 10.1097/00000539-200210000-00053 UR - https://pubmed.ncbi.nlm.nih.gov/12351298/ ID - 12351298 ER -