1. The clinical and immunological significance of a new antigen/antibody system (delta/anti-delta) in chronic carriers of the HBsAg;Arico;Ital. J. Gastroent.,1978
2. The delta agent: HBsAg particles with delta antigen and RNA in the serum of an HBV carrier;Bonino;Hepatology,1981
3. Sizing and mapping of early adenovirus mRNAs by gel electrophoresis of S1 endonuclease-digested hybrids;Berk;Cell,1977
4. Branch, A.D. (1981)Characterization of potato spindle tuber viroid-specific nucleic acids in tomato plants. Doctoral Dissertation, The Rockefeller University Press, New York, New York.
5. Branch, A. D. and Robertson, H.D. A replication cycle for plant viroids and other small pathogenic RNA molecules. Science, in press.