title: Letter: Hyperviscosity in the neonate.
mesh_terms: D001639:Bicarbonates / Q000097:blood; D001809:Blood Viscosity; D002245:Carbon Dioxide / Q000097:blood; D006400:Hematocrit; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D007773:Lactates / Q000097:blood; D011086:Polycythemia; D011773:Pyruvates / Q000097:blood; D012044:Regression Analysis; D014655:Vascular Resistance
chemical_list: D001639:Bicarbonates; D007773:Lactates; D011773:Pyruvates; D002245:Carbon Dioxide