1. Meeting on the control of diphteria in Europe,1990
2. Le point sur la diphtérie en France de 1984 à 1987;Bacou;BEH,1987
3. Antitoxin antibody levels and the outcome of illness during an outbreak of diphteria among alcoholics;Bjorkholm;Scand J Infect Dis,1986
4. Recommendations of the Immunization Practices Advisory Committee;Centers for Disease Control;MMWR,1989
5. Is diphteria coming back ?;Christenson;Ann Clin Res,1986