Grijalva, C.G., Nuorti, J.P., Arbogast, P.G., Martin, S.W., Edwards, K.M. and Griffin, M.R. (2007) Decline in Pneumonia Admissions after Routine Childhood Immunisation with Pneumococcal Conjugate Vaccine in the USA: A Time-Series Analysis. The Lancet, 369, 1179-1186.

has been cited by the following article: