Stokley S, Freed G, Curtis R, Gordon L, Humiston S, Parnell T, Pavia A, Young A, Johnson D, Kennedy A, Hopfensperger D, Markowitz L, Fergie J, Koslap-Petraco MB, McCauley M. Adolescent vaccination: recommendations from the National Vaccine Advisory Committee. Am J Prev Med. 2009 Mar; 36(3):278-9.e6.