title: [Early endoscopy in upper digestive hemorrhage. Its diagnostic usefulness and comparative analysis with radiological studies].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004935:Esophageal Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004945:Esophagoscopy; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013272:Stomach Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging
vernacular_title: Endoscopia precoz en la hemorragia digestiva alta. Su utilidad diagnóstical y análisis comparativo con los estudios radiológicos.