AUTORADIOGRAPHIC AND CYTOCHEMICAL EVIDENCE FOR SYNTHESIS OF A LYSINE-CONTAINING RIBONUCLEOPROTEIN IN NUCLEOLI INHIBITED BY ACTINOMYCIN D

From the Section on Pathologic Anatomy, Laboratory of Experimental Pathology, National Institute of Arthritis and Metabolic Diseases, National Institutes of Health, Public Health Service, United States Department of Health, Education, and Welfare, Bethesda