Novel ADP-Ribosylations of regulatory enzymes and proteins Proceedings of the Fogarty internat. conf. on novel ADP-Ribosylations of regulatory enzymes and proteins, National Inst. of health, Bethesda, Maryland, U.S.A., October 22-24, 1979 - Smulson, Mark E.; Sugimura, Takashi (Developments in cell biology, 1980)