We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCirculating vaccine-derived polioviruses: current state of knowledge.AuthorsKew OM; Wright PF; Agol VI; Delpeyroux F; Shimizu H; Nathanson N; Pallansch MAPublicationBulletin of the World Health Organization, 2004, Vol 82, Issue 1, p16ISSN0042-9686Publication typearticle