| D008297 |
Male |
|
Males |
|
| D005260 |
Female |
|
Females |
|
| D006471 |
Gastrointestinal Hemorrhage |
Bleeding in any segment of the GASTROINTESTINAL TRACT from ESOPHAGUS to RECTUM. |
Hematochezia,Hemorrhage, Gastrointestinal,Gastrointestinal Hemorrhages,Hematochezias |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
|
| D000208 |
Acute Disease |
Disease having a short and relatively severe course. |
Acute Diseases,Disease, Acute,Diseases, Acute |
|
| D000368 |
Aged |
A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. |
Elderly |
|
| D000369 |
Aged, 80 and over |
Persons 80 years of age and older. |
Oldest Old |
|
| D012189 |
Retrospective Studies |
Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. |
Retrospective Study,Studies, Retrospective,Study, Retrospective |
|
| D016099 |
Endoscopy, Gastrointestinal |
Endoscopic examination, therapy or surgery of the gastrointestinal tract. |
Endoscopic Gastrointestinal Surgical Procedures,Surgical Procedures, Endoscopic Gastrointestinal,Endoscopic Gastrointestinal Surgery,Gastrointestinal Endoscopic Surgical Procedures,Procedure, Endoscopic Gastrointestinal, Surgical,Procedure, Gastrointestinal Endoscopic Surgical,Procedures, Endoscopic Gastrointestinal, Surgical,Procedures, Gastrointestinal Endoscopic Surgical,Surgical Procedure, Endoscopic Gastrointestinal,Endoscopic Gastrointestinal Surgeries,Endoscopies, Gastrointestinal,Gastrointestinal Endoscopies,Gastrointestinal Endoscopy,Gastrointestinal Surgeries, Endoscopic,Gastrointestinal Surgery, Endoscopic,Surgeries, Endoscopic Gastrointestinal,Surgery, Endoscopic Gastrointestinal |
|