title: Another example of regression to the mean.
authors.forename: Laurence
authors.initials: L
authors.lastname: Landow
mesh_terms: D013504:Cardiovascular Surgical Procedures; D006801:Humans; D010108:Oxyhemoglobins / Q000737:chemistry / Q000378:metabolism*; D012044:Regression Analysis
chemical_list: D010108:Oxyhemoglobins