title: Morbidity of diseases notifiable in 1947; comparative study.
mesh_terms: D001699:Biometry; D012749:Sexually Transmitted Diseases / Q000453:epidemiology* / Q000706:statistics & numerical data*
keywords: VENEREAL DISEASES/epidemiology and statistics
vernacular_title: MORBILIDAD de las enfermedades de declaración obligatoria en 1947; estudio comparativo.