Smith, H. M., Alexander, G. J., Webb, G., McManus, T., McFarlane, I. G., & Williams, R. (1992). Hepatitis B and delta virus infection among "at risk" populations in south east London.

Smith, H M., G J. Alexander, G. Webb, T. McManus, I G. McFarlane, i R. Williams. Hepatitis B and Delta Virus Infection Among "at Risk" Populations in South East London. 1992.

Smith, H M., et al. Hepatitis B and Delta Virus Infection Among "at Risk" Populations in South East London. 1992.