title: Apportioning black-white hemoglobin and hematocrit differences during pregnancy.
mesh_terms: D044383:Black People; D005260:Female; D006400:Hematocrit; D006454:Hemoglobins / Q000378:metabolism*; D006801:Humans; D007182:Income; D011247:Pregnancy; D014481:United States; D044465:White People; D001741:Black or African American
chemical_list: D006454:Hemoglobins