A new method using a double lumen tube to obtain esophageal and gastric washings for cytological studies.
D004864:Equipment and Supplies; D004947:Esophagus / Q000473:pathology*; D005762:Gastroenterology / Q000600:supply & distribution*; D006801:Humans; D013270:Stomach / Q000473:pathology*
ESOPHAGUS/pathology; GASTROENTEROLOGY/equipment and supplies; STOMACH/pathology