title: Nutritional anaemia during pregnancy. A comparative study of two socio-economic classes.
mesh_terms: D000740:Anemia / Q000188:drug therapy; D000747:Anemia, Hypochromic / Q000453:epidemiology*; D001665:Binding Sites; D004032:Diet; D004912:Erythrocytes / Q000032:analysis; D005260:Female; D005492:Folic Acid / Q000097:blood / Q000627:therapeutic use; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007501:Iron / Q000097:blood / Q000627:therapeutic use; D011225:Pre-Eclampsia / Q000453:epidemiology; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000453:epidemiology*; D012959:Socioeconomic Factors; D014687:Venezuela
chemical_list: D006454:Hemoglobins; D005492:Folic Acid; D007501:Iron