title: The 90th Annual Meeting of the American Association for Cancer Research (AACR) Philadelphia, USA, 10-14 April 1999.
authors.affiliation: Department of Medical Oncology;(2), University Hospital Groningen, The Netherlands
authors.forename: Steven
authors.initials: S
authors.lastname: de Jong
authors.forename: Michael
authors.initials: M
authors.lastname: Müller