title: [Collection of blood on paper for the diagnosis of Chagas' infection by immunofluorescence].
mesh_terms: D001800:Blood Specimen Collection; D014355:Chagas Disease / Q000175:diagnosis*; D005189:False Positive Reactions; D005455:Fluorescent Antibody Technique; D006801:Humans; D008722:Methods; D010209:Paper
vernacular_title: Recolección de sangre en papel para diagnóstico de infección chagásica por inmunofluorescencia.