Studies on sylvatic plague in South America. II. Sylvatic plague in the frontier region of Peru &amp; Ecuador. 2. Focus of sylvatic plague of the District of Lancones, Department of Piura, Peru
Estudios sobre peste selvática en América del Sur. II. Peste selvatica en la region fronteriza del Peru y Ecuador. 2. El foco de peste selvática del distrito de Lancones, departamento de Piura, Peru