[Morbidity in poliomyelitis in public services and sanitary works].
D001699:Biometry; D009017:Morbidity; D011051:Poliomyelitis / Q000453:epidemiology* / Q000706:statistics & numerical data*; D014937:Work
POLIOMYELITIS/epidemiology and statistics
Morbilidad poliomielitica y servicios publicos de obras sanitarias.