[Brief serologic investigation on brucellosis in Ecuador].
D002006:Brucellosis / Q000453:epidemiology*; D004484:Ecuador; D006801:Humans; D013510:Pulmonary Surgical Procedures; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000601:surgery*
BRUCELLOSIS/epidemiology; TUBERCULOSIS, PULMONARY/surgery
Breve encuesta serológica sobre brucelosis en el Ecuador.