We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDual pneumococcal and influenza vaccination: severe concerns about the composition of the control groups.AuthorsEkkelenkamp MB; Bonten MJPublicationClinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2011, Vol 52, Issue 4, p557ISSN1537-6591Publication typearticleDOI10.1093/cid/ciq185