Remaining problems before eradication of poliomyelitis can be accomplished.
Hovi
T
T
Enterovirus Laboratory, National Public Health Institute, Helsinki, Finland.
D000818:Animals; D005387:Finland; D006291:Health Policy / Q000639:trends; D006801:Humans; D011051:Poliomyelitis / Q000517:prevention & control*; D014944:World Health Organization