1. Persistence of vaccine-induced antibodies to hepatitis B surface antigen and the need for booster vaccination in adult subjects;Ambrosch;Postgrad Med J,1987
2. Varying antibody response in dental health care workers vaccinated with recombinant Hepatitis B vaccine;Aspinall;J DASA,1991
3. The relationship between antigenaemia and excretion of hepatitis B surface antigen in human whole saliva and gingival crevicular fluid;Ben-Aryeh;Arch Oral Biol,1985
4. Transmission of type B viral hepatitis via eye inoculation of a chimpanzee;Bond;J Clin Microbiol,1982
5. Recommended infection control procedures in a dental hospital clinic;Centres for Disease Control;MMWR,1993