[Gastrointestinal hemorrhages].
D003937:Diagnosis, Differential; D005392:First Aid; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D006469:Hemoptysis / Q000175:diagnosis; D006801:Humans; D008551:Melena / Q000175:diagnosis
Zheludochno-kishechnye krovotecheniia.