Objective To investigate the effect of nerve growth factor(mouse nerve grouth factor,m NGF) efficacy of adjuvant treatment of sudden deafness. Methods 50 cases with mouse nerve growth factor in adjuvant treatment of sudden deafness patients clinical datas,between January 2010 and December 2014 in Jiangxi People's Hospital were analyzed retropectively and the same period in rat nerve growth factor other treatment was the same 135 cases as control,composition analysis of two groups of data will be two groups ...