title: Shifting focus on a shifting curve.
mesh_terms: D004912:Erythrocytes / Q000378:metabolism; D005994:Glycerophosphates / Q000097:blood; D006454:Hemoglobins; D006801:Humans; D010100:Oxygen / Q000097:blood*
chemical_list: D005994:Glycerophosphates; D006454:Hemoglobins; D010100:Oxygen