<prompt> Study of small intestine using barium is called asBarium meal follow throughBarium swallowBarium enemaNone of the above  <response>: Barium investigations:Barium swallow: the study of the pharynx and esophagus up to GE junction Barium meal: the study of stomach and duodenum up to DJ flexureBarium meal follow through the study of small intestine following barium meal up to ileocaecal junction Enteroclysis: the study of small intestine by directly instilling barium and methylcellulose into the small intestine through enteroclysis tube Bilbo-botter tubekept beyond DJ flexureBarium enema: the study of colon by infusing barium through the rectum Ref: Grainger and Allison;s diagnostic radiology 6th edition, chapter 26 