title: Positive NBT test associated with Henoch-Schönlein purpura (HSP).
mesh_terms: D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D006967:Hypersensitivity; D008297:Male; D009504:Neutrophils / Q000378:metabolism*; D011693:Purpura / Q000175:diagnosis*; D018805:Sepsis / Q000175:diagnosis; D013778:Tetrazolium Salts
chemical_list: D013778:Tetrazolium Salts