title: Direct immunofluorescence assay for H1N1 diagnosis.
authors.forename: Viroj
authors.initials: V
authors.lastname: Wiwanitkit
mesh_terms: D019085:Fluorescent Antibody Technique, Direct / Q000592:standards; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology*; D007251:Influenza, Human / Q000175:diagnosis* / Q000821:virology; D011237:Predictive Value of Tests; D011786:Quality Control; D012107:Research Design; D018401:Sample Size; D012680:Sensitivity and Specificity