title: Evaluation of proficiency in the performance of tests for abnormal hemoglobins.
mesh_terms: D001797:Blood Protein Electrophoresis / Q000592:standards; D005069:Evaluation Studies as Topic; D005319:Fetal Hemoglobin / Q000032:analysis; D006451:Hemoglobin, Sickle / Q000032:analysis; D006452:Hemoglobinometry / Q000592:standards*; D006453:Hemoglobinopathies / Q000175:diagnosis*; D006455:Hemoglobins, Abnormal / Q000032:analysis*; D006801:Humans; D011786:Quality Control; D012995:Solubility
chemical_list: D006451:Hemoglobin, Sickle; D006455:Hemoglobins, Abnormal; D005319:Fetal Hemoglobin