TY - GEN AU - Conn,H O TI - To scope or not to scope SN - 0028-4793 PY - 1981///0513 KW - Adult KW - Clinical Trials as Topic KW - Emergencies KW - Endoscopy KW - Esophageal and Gastric Varices KW - diagnosis KW - Esophagoscopy KW - Female KW - Gastrointestinal Hemorrhage KW - Gastroscopy KW - Humans KW - Liver Cirrhosis KW - Male KW - Middle Aged N1 - Publication Type: Clinical Trial; Editorial UR - https://doi.org/10.1056/NEJM198104163041610 ER -