title: Letter: Counterimmunoelectrophoresis in diagnosis of hydatid disease.
mesh_terms: D002675:Child, Preschool; D003378:Counterimmunoelectrophoresis; D004443:Echinococcosis / Q000175:diagnosis*; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007122:Immunoelectrophoresis; D007223:Infant; D011247:Pregnancy