title: New contributions on the epidemiology of acute anterior poliomyelitis.
authors.forename: A
authors.initials: A
authors.lastname: ALESSANDRINI
mesh_terms: D001699:Biometry; D011051:Poliomyelitis / Q000453:epidemiology* / Q000706:statistics & numerical data*
keywords: POLIOMYELITIS/epidemiology and statistics
vernacular_title: Nuovi contributi sulla epidemiologia della poliomielite anteriore acuta.