Paralysis case and contact spread of recombinant vaccine-derived poliovirus, Spain.
Avellón A, Cabrerizo M, de Miguel T, Pérez-Breña P, Tenorio A, Pérez JL, de Aragón MV, Trallero G.
Emerg Infect Dis. 2008 Nov; 14(11):1807-9.
[Emerg Infect Dis. 2008]