SciELO - Scientific Electronic Library Online

SciELO - Scientific Electronic Library Online

Cited By SciELO

SMITH, Joseph; LEKE, Rose; ADAMS, Anthony  and  TANGERMANN, Rudolf H.. Certification of polio eradication: process and lessons learned. Bull World Health Organ [online]. 2004, vol.82, n.1, pp. 24-30. ISSN 0042-9686.  http://dx.doi.org/10.1590/S0042-96862004000100007.