title: Letter: Thalassaemia trait, abnormal haemoglobins, and raised fetal haemoglobin in Karachi.
mesh_terms: D000328:Adult; D005260:Female; D005319:Fetal Hemoglobin / Q000032:analysis; D006455:Hemoglobins, Abnormal / Q000032:analysis*; D006801:Humans; D008297:Male; D010154:Pakistan; D011247:Pregnancy; D013789:Thalassemia / Q000453:epidemiology*
chemical_list: D006455:Hemoglobins, Abnormal; D005319:Fetal Hemoglobin