1. Almeida, J. D., Rubenstein, D. and Stott, E. J. (1971). New antigen-antibody system in Australia-antigen-positive hepatitis. Lancet, 2, 1225
2. Barker, L. F., Almeida, J. D., Hoofnagle, J. H., Gerety, R. J., Jackson, R. and McGrath, P. P. (1974). Hepatitis B core antigen: immunology and electron microscopy. J. Virol, 14, 1552
3. Dunn, A. E. G., Peters, R. L., Schweitzer, I. L., Ivoin, L. and Spears, R. L. (1972). Virus-like particles in livers of infants with vertically transmitted hepatitis. Arch. Path., 94, 258
4. Gudat, F., Bianchi, L., Sonnabend, W., Thiel, G., Aenishaenslin, W. and Stalder, G. A. (1975). Pattern of core and surface expression in liver tissue reflects state of immune response in hepatitis B. Lab. Invest., 32, 1
5. Gudat, F. and Bianchi, L. (1977). Evidence for phasic sequences in nuclear HBsAg formation and cell membrane directed flow of core particles in chronic hepatitis B.Gastroenterology, 73, 1194