[Sylvatic plague in South America.  I.  Concept and classification of sylvatic plague].
D000818:Animals; D004777:Environment; D006801:Humans; D010930:Plague / Q000453:epidemiology*; D012376:Rodent Diseases; D012931:Social Environment; D013020:South America
PLAGUE/epidemiology; RODENTS/diseases
Estudios sobre peste selvática en América del Sur.  I.  Concepto y clasificación de la peste selvática.