Demographic characteristics of members of the Vaccine Safety Datalink (VSD): A comparison with the United States population.
Sukumaran L, McCarthy NL, Li R, Weintraub ES, Jacobsen SJ, Hambidge SJ, Jackson LA, Naleway AL, Chan B, Tao B, Gee J. Demographic characteristics of members of the Vaccine Safety Datalink (VSD): A comparison with the United States population. Vaccine. 2015 Aug 26; 33(36):4446-50.