title: Poliomyelitis; epidemic in Costa Rica, year 1944.
authors.lastname: SOLON NUNEZ
mesh_terms: D001699:Biometry; D011051:Poliomyelitis / Q000453:epidemiology* / Q000706:statistics & numerical data*
keywords: POLIOMYELITIS/epidemiology and statistics
vernacular_title: Poliomielitis; epidemia en Costa Rica, año 1944.