,MEDICATIONS: , MAC.,PROCEDURE: , The Olympus gastroscope was introduced into the oropharynx and passed carefully through the esophagus, stomach, and duodenum to the transverse duodenum. 
,MEDICATIONS : , MAC.,PROCEDURE : , The Olympus gastroscope was introduced into the oropharynx and passed carefully through the esophagus , stomach , and duodenum to the transverse duodenum .