title: Oxygen evolution: some historical aspects.
mesh_terms: D002245:Carbon Dioxide / Q000378:metabolism; D002708:Chlorella / Q000378:metabolism; D002736:Chloroplasts / Q000378:metabolism; D006454:Hemoglobins / Q000378:metabolism; D010100:Oxygen / Q000378:metabolism*; D010788:Photosynthesis
chemical_list: D006454:Hemoglobins; D002245:Carbon Dioxide; D010100:Oxygen