Raymond W. Ruddon
Tapas Mukhopadhyay
Harold Varmus
John R. Benson
Hemprova G. McDonald
Warō Nakahara
Hans Konrad Müller-Hermelink
Symposium on Advances in Neuroblastoma Research (5th 1990 Philadelphia, Pa.)
International Conference on Carcinogenesis and Risk Assessment (5th 1991 Austin, Tex.)
I. D. Goldberg
Symposium of the Banting and Best Diabetes Centre on Biology of Growth Factors: Molecular Biology, Oncogenes, Signal Transduction, and Clinical Implications (1987 Toronto, Ont.)
Nicholas Hastie
Abbott-Cetus-Genentech-Smith, Kline & French-UCLA Symposium (1988 Keystone, Colo.)