we examined in vivo and in vitro expression of nerve growth factor ( ngf ) receptors in 13 dermal and 9 plexiform neurofibromas , 28 schwannomas , and 4 traumatic neuromas with an immunohistochemical method using a monoclonal antihuman ngf receptor antibody ( me20-4 ) and anti s-100 beta protein antibody .
C0132173
nerve growth factor
C0254837
ngf receptor