ACTA UNIVERSITATIS UPSALIENSIS : COMPREHENSIVE SUMMARIES OF UPPSALA DISSERTATIONS FROM THE FACULTY OF MEDICINE ; 214 546,633 LARSSON LARS-GUNNAR Studies on the role of proto-oncogenes in the Differentiation of human hematopoietic tumor cells in vitro : [thesis] / by Lars-Gunnar Larsson ; University of Uppsala. - Uppsala : University, 1989. -81 s. : wykr. ; 25 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-747 ; 214) ISBN 91-554-2140-4