title: The endemic type in the province of Pinar del Rio during the years 1940-1941.
authors.forename: R
authors.initials: R
authors.lastname: CALVO FONSECA
mesh_terms: D001699:Biometry; D014435:Typhoid Fever / Q000453:epidemiology* / Q000706:statistics & numerical data*; D014436:Typhoid-Paratyphoid Vaccines
chemical_list: D014436:Typhoid-Paratyphoid Vaccines
keywords: TYPHOID/epidemiology and statistics
vernacular_title: La endemia tifica en la provincia de Pinar del Rio durante los años 1940-1941.