Heterocyclic Compounds Diseases 2 Heterocyclic Compounds, 2-Ring 2 Organic Chemicals 2 Organometallic Compounds 2 Anemia 1 Anemia, Hypochromic 1 Anemia, Iron-Deficiency 1 Angiosperms 1 Asteraceae 1 Benzopyrans 1 Biological Products 1 Chromones 1 Complementary Therapies 1 Complex Mixtures 1 Diagnostic Techniques and Procedures 1 Digestive System Diseases 1 Embryophyta 1 Eukaryota 1 Flavonoids 1 Folic Acid 1 Gastroenterology 1 Health & Biological Sciences 1 Hematologic Diseases 1 Hemic and Lymphatic Diseases 1 Heterocyclic chemistry 1 Inorganic Chemicals 1 Iron Compounds 1 Iron Metabolism Disorders 1 Iron, Dietary 1