Assertion: promethazine's action | /r/HasSubevent | delayed visualization
Facets:
Source sentences:
text: (delivery of these technetium Tc 99m–labeled radiopharmaceuticals to the small bowel may be prevented because opioids may cause constriction of the sphincter of Oddi and increased biliary tract pressure; these actions result in delayed visualization and thus resemble obstruction of the common bile duct)