title: Challenges in controlling for the effects of hematoconcentration.
authors: Matthew F
authors: MF
authors: Muldoon
mesh_terms: D001777:Blood Coagulation / Q000502:physiology*; D001780:Blood Coagulation Tests / Q000379:methods*; D001804:Blood Transfusion, Autologous; D006801:Humans; D008297:Male; D010953:Plasma Volume; D012965:Sodium Chloride / Q000008:administration & dosage*; D013315:Stress, Psychological / Q000503:physiopathology*
chemical_list: D012965:Sodium Chloride