1. A nerve growth stimulating factor isolated from sarcomas 37 and 180;Cohen,1954
2. Host immunity;Coriell;J. pediat. Surg.,1968
3. Nerve growth factor in rat glioma cells;Longo,1974
4. Glia-induced morphological differentiation in neuroblastoma cells;Monard,1973
5. Differentiation of neuroblastoma cells induced in culture by 6-thioguanine;Prasad;Int. J. Cancer,1973