No evidence for prolonged excretion of polioviruses in persons with residual paralytic poliomyelitis in Ethiopia, Pakistan and Guatemala.
Khan AJ, Gebreselassie H, Asturias EJ, Agboatwalla M, Teklehaimanot R, Luby SP, Beyene B, Bayene B, Chezzi C, Asghar H, Moatter T, Torres OR, Kew O, Winkelstein J, Halsey NA. No evidence for prolonged excretion of polioviruses in persons with residual paralytic poliomyelitis in Ethiopia, Pakistan and Guatemala. Biologicals. 2006 Jun; 34(2):113-6.