Zauli, G Hiv-1 tat protein suppresses the nerve growth-factor (ngf)-mediated differentiation of PC12 rat pheochromocytoma cell-line. [electronic resource] - Oncology reports Jul 1994 - 773-7 p. digital Publication Type: Journal Article ISSN: 1021-335X Standard No.: 10.3892/or.1.4.773 doi