552,349 LAVENIUS ERIK Growth factor induced differentiation of cultured human neuroblastoma cells : [doctoral dissertation] / by Erik Lavenius ; [Department of Pathology, Uppsala University Hospital]. - Uppsala : Acta Univer-sitatis Upsaliensis, 1996. - 51 s. : il. ; 24 cm (Acta Universitatis Upsaliensis. Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 631) ISBN 91-554-3791-5