title: Fluorescent antibody staining of group A streptococci: demonstration and elimination of blocking antibody.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000906:Antibodies / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D005455:Fluorescent Antibody Technique; D006801:Humans; D007106:Immune Sera; D007223:Infant; D007231:Infant, Newborn; D008722:Methods; D008856:Microscopy, Fluorescence; D008875:Middle Aged; D010612:Pharyngitis / Q000382:microbiology; D010614:Pharynx / Q000382:microbiology; D012972:Sodium Hydroxide / Q000494:pharmacology; D013297:Streptococcus pyogenes / Q000254:growth & development / Q000276:immunology / Q000302:isolation & purification*
chemical_list: D000906:Antibodies; D007106:Immune Sera; D012972:Sodium Hydroxide