[Evaluation of the severity of gastrointestinal hemorrhage by disruption of oxygen transport].
D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006801:Humans; D010100:Oxygen / Q000097:blood*
D010100:Oxygen
Otsenka tiazhesti gastroduodenal'nykh krovotecheii po narusheniiu transporta kisloroda.