among neuroectodermal tissue-derived cell lines , dmab-3 , at an optimal concentration of 5 micrograms/ml , showed high reactivity ( radioimmunoassay binding ratios greater than 20 ) with 9 of 19 hgls , 3 of 5 medulloblastoma , 4 of 5 neuroblastoma , and 1 of 3 melanoma lines .
C1518272
neuroectodermal
C0027819
neuroblastoma