TY - BOOK AU - Avinash Bala TI - Learning curve of a systematic sign based approach for scanning brachial plexus elements above the clavicle in anaesthesiologists - A Cohort Study PY - 2022/// CY - PONDICHERRY PB - MGMCRI,SBV KW - ANAESTHESIALOGY N1 - DR.SIVASHANMUGAM.T ASSOCIATE PROFESSOR DEPT OF ANAESTHESIALOGY N2 - ANAESTHESIALOGY ER -