Oxygen bonding in haemoglobin.
D006454:Hemoglobins / Q000378:metabolism*; D007501:Iron / Q000378:metabolism; D009682:Magnetic Resonance Spectroscopy; D010100:Oxygen / Q000378:metabolism*; D010103:Oxygen Isotopes
D006454:Hemoglobins; D010103:Oxygen Isotopes; D007501:Iron; D010100:Oxygen