Outbreak of poliomyelitis in Namibia.
van Niekerk
A B
AB
Schoub
B D
BD
Chezzi
C
C
Blackburn
N K
NK
Vries
J B
JB
Baard
J
J
D004196:Disease Outbreaks; D006801:Humans; D009276:Namibia / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology*