[The poliomyelitis epidemic in northern Tr|ondelag 1950].
D058872:Epidemics; D011051:Poliomyelitis / Q000453:epidemiology* / Q000706:statistics & numerical data*
POLIOMYELITIS/epidemiology and statistics
Erfaringer fra poliomyelitt-epidemien i Nord-Tr|ondelag i 1950.