“Updated Recommendations for Use of Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis (Tdap) Vaccine in Adults Aged 65 Years and Older – Advisory Committee on Immunization Practices (ACIP), 2012,” (Vol. 61, No. 25, June 29, 2012, .pdf and HTML format, p. 468-470).
HTML:
www.cdc.gov/mmwr/preview/mmwrhtml/mm6125a4.htm
PDF:
