title: [Graphic technics for epidemiologic surveillance. Evolution of perinatal mortality in the 9 provinces of Belgium 1972-1980].
authors: L
authors: L
authors: Hertoghe
authors: P
authors: P
authors: De Wals
authors: M
authors: M
authors: Piron
mesh_terms: D001530:Belgium; D004812:Epidemiologic Methods; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn
vernacular_title: Techniques graphiques pour la surveillance épidémiologique. Evolution de la mortalité périnatale dans les neuf provinces belges de 1972 à 1980.