title: Relation of beta to gamma synthesis during the first trimester: an approach to prenatal diagnosis of thalassemia.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis; D000755:Anemia, Sickle Cell / Q000097:blood / Q000175:diagnosis; D004912:Erythrocytes / Q000032:analysis; D005260:Female; D005319:Fetal Hemoglobin / Q000032:analysis / Q000096:biosynthesis*; D006455:Hemoglobins, Abnormal / Q000032:analysis / Q000096:biosynthesis*; D006801:Humans; D010920:Placenta; D011247:Pregnancy; D011296:Prenatal Diagnosis; D013789:Thalassemia / Q000097:blood / Q000175:diagnosis*
chemical_list: D006455:Hemoglobins, Abnormal; D005319:Fetal Hemoglobin