Topics: Hypochromic Anaemia, Hypochromic Microcytic Anaemia, Hypochromic, Microcytosis, Microcytic anaemia, Iron metabolism, body iron, iron transport, transferrin, lactoferrin, iron storage, Haemosiderin, iron deficiency, iron deficiency anaemia, Bone marrow test, oral iron therapy, Acute iron poisoning, Parenteral iron therapy, iron therapy